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Finding the Fourth Proportional to 484,139.53, 726,325.94 and 151,715.53

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Solution

The fourth proportional to 484,139.53, 726,325.94 and 151,715.53 is: 227,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,139.53 : 726,325.94 = 151,715.53 : x
  2. Step 2: Convert to fraction form
    484,139.53/726,325.94 = 151,715.53/x
  3. Step 3: Cross multiply
    484,139.53x = 726,325.94 × 151,715.53
  4. Step 4: Simplify right side
    484,139.53x = 110,194,925,373.65
  5. Step 5: Solve for x
    x = 110,194,925,373.65/484,139.53
  6. Step 6: Final answer
    x = 227,609.85

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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.