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Finding the Fourth Proportional to 658,616.96, 987,252.48 and 373,705.63

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Solution

The fourth proportional to 658,616.96, 987,252.48 and 373,705.63 is: 560,176.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,616.96 : 987,252.48 = 373,705.63 : x
  2. Step 2: Convert to fraction form
    658,616.96/987,252.48 = 373,705.63/x
  3. Step 3: Cross multiply
    658,616.96x = 987,252.48 × 373,705.63
  4. Step 4: Simplify right side
    658,616.96x = 368,941,807,539.33
  5. Step 5: Solve for x
    x = 368,941,807,539.33/658,616.96
  6. Step 6: Final answer
    x = 560,176.60

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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.