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Finding the Fourth Proportional to 219,227.50, 328,835.58 and 59,318.92

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Solution

The fourth proportional to 219,227.50, 328,835.58 and 59,318.92 is: 88,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,227.50 : 328,835.58 = 59,318.92 : x
  2. Step 2: Convert to fraction form
    219,227.50/328,835.58 = 59,318.92/x
  3. Step 3: Cross multiply
    219,227.50x = 328,835.58 × 59,318.92
  4. Step 4: Simplify right side
    219,227.50x = 19,506,171,463.17
  5. Step 5: Solve for x
    x = 19,506,171,463.17/219,227.50
  6. Step 6: Final answer
    x = 88,976.85

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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.