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Finding the Fourth Proportional to 581,491.71, 802,340.93 and 339,727.58

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Solution

The fourth proportional to 581,491.71, 802,340.93 and 339,727.58 is: 468,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,491.71 : 802,340.93 = 339,727.58 : x
  2. Step 2: Convert to fraction form
    581,491.71/802,340.93 = 339,727.58/x
  3. Step 3: Cross multiply
    581,491.71x = 802,340.93 × 339,727.58
  4. Step 4: Simplify right side
    581,491.71x = 272,577,344,932.44
  5. Step 5: Solve for x
    x = 272,577,344,932.44/581,491.71
  6. Step 6: Final answer
    x = 468,755.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.