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Finding the Fourth Proportional to 658,388.96, 987,379.28 and 237,610.16

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Solution

The fourth proportional to 658,388.96, 987,379.28 and 237,610.16 is: 356,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,388.96 : 987,379.28 = 237,610.16 : x
  2. Step 2: Convert to fraction form
    658,388.96/987,379.28 = 237,610.16/x
  3. Step 3: Cross multiply
    658,388.96x = 987,379.28 × 237,610.16
  4. Step 4: Simplify right side
    658,388.96x = 234,611,348,701.49
  5. Step 5: Solve for x
    x = 234,611,348,701.49/658,388.96
  6. Step 6: Final answer
    x = 356,341.56

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1.5x scale

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.