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Finding the Fourth Proportional to 658,332.76, 987,499.12 and 185,018.12

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Solution

The fourth proportional to 658,332.76, 987,499.12 and 185,018.12 is: 277,527.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,332.76 : 987,499.12 = 185,018.12 : x
  2. Step 2: Convert to fraction form
    658,332.76/987,499.12 = 185,018.12/x
  3. Step 3: Cross multiply
    658,332.76x = 987,499.12 × 185,018.12
  4. Step 4: Simplify right side
    658,332.76x = 182,705,230,684.05
  5. Step 5: Solve for x
    x = 182,705,230,684.05/658,332.76
  6. Step 6: Final answer
    x = 277,527.17

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Similar ratio
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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.