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Finding the Fourth Proportional to 658,497.96, 987,750.54 and 185,187.42

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Solution

The fourth proportional to 658,497.96, 987,750.54 and 185,187.42 is: 277,782.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,497.96 : 987,750.54 = 185,187.42 : x
  2. Step 2: Convert to fraction form
    658,497.96/987,750.54 = 185,187.42/x
  3. Step 3: Cross multiply
    658,497.96x = 987,750.54 × 185,187.42
  4. Step 4: Simplify right side
    658,497.96x = 182,918,974,106.21
  5. Step 5: Solve for x
    x = 182,918,974,106.21/658,497.96
  6. Step 6: Final answer
    x = 277,782.14

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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.