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Finding the Fourth Proportional to 451,030.80, 676,546.20 and 151,411.80

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Solution

The fourth proportional to 451,030.80, 676,546.20 and 151,411.80 is: 227,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,030.80 : 676,546.20 = 151,411.80 : x
  2. Step 2: Convert to fraction form
    451,030.80/676,546.20 = 151,411.80/x
  3. Step 3: Cross multiply
    451,030.80x = 676,546.20 × 151,411.80
  4. Step 4: Simplify right side
    451,030.80x = 102,437,077,925.16
  5. Step 5: Solve for x
    x = 102,437,077,925.16/451,030.80
  6. Step 6: Final answer
    x = 227,117.70

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Similar ratio
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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.