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Finding the Fourth Proportional to 1,866,382.52, 2,799,624.84 and 518,549

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Solution

The fourth proportional to 1,866,382.52, 2,799,624.84 and 518,549 is: 777,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,382.52 : 2,799,624.84 = 518,549 : x
  2. Step 2: Convert to fraction form
    1,866,382.52/2,799,624.84 = 518,549/x
  3. Step 3: Cross multiply
    1,866,382.52x = 2,799,624.84 × 518,549
  4. Step 4: Simplify right side
    1,866,382.52x = 1,451,742,661,157.16
  5. Step 5: Solve for x
    x = 1,451,742,661,157.16/1,866,382.52
  6. Step 6: Final answer
    x = 777,837.69

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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.