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Finding the Fourth Proportional to 522,470.81, 783,715.94 and 148,503.53

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Solution

The fourth proportional to 522,470.81, 783,715.94 and 148,503.53 is: 222,758.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,470.81 : 783,715.94 = 148,503.53 : x
  2. Step 2: Convert to fraction form
    522,470.81/783,715.94 = 148,503.53/x
  3. Step 3: Cross multiply
    522,470.81x = 783,715.94 × 148,503.53
  4. Step 4: Simplify right side
    522,470.81x = 116,384,585,380.93
  5. Step 5: Solve for x
    x = 116,384,585,380.93/522,470.81
  6. Step 6: Final answer
    x = 222,758.06

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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.