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Finding the Fourth Proportional to 1,720,651.60, 2,581,321.92 and 963,569.71

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Solution

The fourth proportional to 1,720,651.60, 2,581,321.92 and 963,569.71 is: 1,445,547.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,651.60 : 2,581,321.92 = 963,569.71 : x
  2. Step 2: Convert to fraction form
    1,720,651.60/2,581,321.92 = 963,569.71/x
  3. Step 3: Cross multiply
    1,720,651.60x = 2,581,321.92 × 963,569.71
  4. Step 4: Simplify right side
    1,720,651.60x = 2,487,283,613,871.04
  5. Step 5: Solve for x
    x = 2,487,283,613,871.04/1,720,651.60
  6. Step 6: Final answer
    x = 1,445,547.50

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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.