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Finding the Fourth Proportional to 575,051.40, 862,577.10 and 260,123.40

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Solution

The fourth proportional to 575,051.40, 862,577.10 and 260,123.40 is: 390,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,051.40 : 862,577.10 = 260,123.40 : x
  2. Step 2: Convert to fraction form
    575,051.40/862,577.10 = 260,123.40/x
  3. Step 3: Cross multiply
    575,051.40x = 862,577.10 × 260,123.40
  4. Step 4: Simplify right side
    575,051.40x = 224,376,488,014.14
  5. Step 5: Solve for x
    x = 224,376,488,014.14/575,051.40
  6. Step 6: Final answer
    x = 390,185.10

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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.