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Finding the Fourth Proportional to 503,184.52, 754,784.46 and 129,199.24

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Solution

The fourth proportional to 503,184.52, 754,784.46 and 129,199.24 is: 193,800.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,184.52 : 754,784.46 = 129,199.24 : x
  2. Step 2: Convert to fraction form
    503,184.52/754,784.46 = 129,199.24/x
  3. Step 3: Cross multiply
    503,184.52x = 754,784.46 × 129,199.24
  4. Step 4: Simplify right side
    503,184.52x = 97,517,578,595.81
  5. Step 5: Solve for x
    x = 97,517,578,595.81/503,184.52
  6. Step 6: Final answer
    x = 193,800.83

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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.