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Finding the Fourth Proportional to 652,227.10, 978,340.65 and 604,987.90

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Solution

The fourth proportional to 652,227.10, 978,340.65 and 604,987.90 is: 907,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,227.10 : 978,340.65 = 604,987.90 : x
  2. Step 2: Convert to fraction form
    652,227.10/978,340.65 = 604,987.90/x
  3. Step 3: Cross multiply
    652,227.10x = 978,340.65 × 604,987.90
  4. Step 4: Simplify right side
    652,227.10x = 591,884,255,328.14
  5. Step 5: Solve for x
    x = 591,884,255,328.14/652,227.10
  6. Step 6: Final answer
    x = 907,481.85

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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.