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Finding the Fourth Proportional to 904,066.91, 1,352,862.45 and 782,907.11

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Solution

The fourth proportional to 904,066.91, 1,352,862.45 and 782,907.11 is: 1,171,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,066.91 : 1,352,862.45 = 782,907.11 : x
  2. Step 2: Convert to fraction form
    904,066.91/1,352,862.45 = 782,907.11/x
  3. Step 3: Cross multiply
    904,066.91x = 1,352,862.45 × 782,907.11
  4. Step 4: Simplify right side
    904,066.91x = 1,059,165,624,192.71
  5. Step 5: Solve for x
    x = 1,059,165,624,192.71/904,066.91
  6. Step 6: Final answer
    x = 1,171,556.68

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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.