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Finding the Fourth Proportional to 360,007.10, 540,010.65 and 260,863.10

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Solution

The fourth proportional to 360,007.10, 540,010.65 and 260,863.10 is: 391,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,007.10 : 540,010.65 = 260,863.10 : x
  2. Step 2: Convert to fraction form
    360,007.10/540,010.65 = 260,863.10/x
  3. Step 3: Cross multiply
    360,007.10x = 540,010.65 × 260,863.10
  4. Step 4: Simplify right side
    360,007.10x = 140,868,852,192.02
  5. Step 5: Solve for x
    x = 140,868,852,192.02/360,007.10
  6. Step 6: Final answer
    x = 391,294.65

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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.