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Finding the Fourth Proportional to 592,443.10, 888,664.65 and 260,019.10

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Solution

The fourth proportional to 592,443.10, 888,664.65 and 260,019.10 is: 390,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,443.10 : 888,664.65 = 260,019.10 : x
  2. Step 2: Convert to fraction form
    592,443.10/888,664.65 = 260,019.10/x
  3. Step 3: Cross multiply
    592,443.10x = 888,664.65 × 260,019.10
  4. Step 4: Simplify right side
    592,443.10x = 231,069,782,494.82
  5. Step 5: Solve for x
    x = 231,069,782,494.82/592,443.10
  6. Step 6: Final answer
    x = 390,028.65

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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.