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Finding the Fourth Proportional to 592,862.10, 889,293.15 and 260,438.10

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Solution

The fourth proportional to 592,862.10, 889,293.15 and 260,438.10 is: 390,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,862.10 : 889,293.15 = 260,438.10 : x
  2. Step 2: Convert to fraction form
    592,862.10/889,293.15 = 260,438.10/x
  3. Step 3: Cross multiply
    592,862.10x = 889,293.15 × 260,438.10
  4. Step 4: Simplify right side
    592,862.10x = 231,605,818,329.02
  5. Step 5: Solve for x
    x = 231,605,818,329.02/592,862.10
  6. Step 6: Final answer
    x = 390,657.15

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.