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Finding the Fourth Proportional to 904,069.92, 1,352,866.95 and 782,910.12

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Solution

The fourth proportional to 904,069.92, 1,352,866.95 and 782,910.12 is: 1,171,561.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,069.92 : 1,352,866.95 = 782,910.12 : x
  2. Step 2: Convert to fraction form
    904,069.92/1,352,866.95 = 782,910.12/x
  3. Step 3: Cross multiply
    904,069.92x = 1,352,866.95 × 782,910.12
  4. Step 4: Simplify right side
    904,069.92x = 1,059,173,226,168.53
  5. Step 5: Solve for x
    x = 1,059,173,226,168.53/904,069.92
  6. Step 6: Final answer
    x = 1,171,561.18

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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.