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Finding the Fourth Proportional to 652,223.10, 978,334.65 and 604,983.90

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Solution

The fourth proportional to 652,223.10, 978,334.65 and 604,983.90 is: 907,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,223.10 : 978,334.65 = 604,983.90 : x
  2. Step 2: Convert to fraction form
    652,223.10/978,334.65 = 604,983.90/x
  3. Step 3: Cross multiply
    652,223.10x = 978,334.65 × 604,983.90
  4. Step 4: Simplify right side
    652,223.10x = 591,876,712,062.14
  5. Step 5: Solve for x
    x = 591,876,712,062.14/652,223.10
  6. Step 6: Final answer
    x = 907,475.85

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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.