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Finding the Fourth Proportional to 658,273.90, 987,410.85 and 606,952.30

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Solution

The fourth proportional to 658,273.90, 987,410.85 and 606,952.30 is: 910,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,273.90 : 987,410.85 = 606,952.30 : x
  2. Step 2: Convert to fraction form
    658,273.90/987,410.85 = 606,952.30/x
  3. Step 3: Cross multiply
    658,273.90x = 987,410.85 × 606,952.30
  4. Step 4: Simplify right side
    658,273.90x = 599,311,286,452.46
  5. Step 5: Solve for x
    x = 599,311,286,452.46/658,273.90
  6. Step 6: Final answer
    x = 910,428.45

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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.