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Finding the Fourth Proportional to 576,200.08, 864,300.10 and 155,475.94

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Solution

The fourth proportional to 576,200.08, 864,300.10 and 155,475.94 is: 233,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,200.08 : 864,300.10 = 155,475.94 : x
  2. Step 2: Convert to fraction form
    576,200.08/864,300.10 = 155,475.94/x
  3. Step 3: Cross multiply
    576,200.08x = 864,300.10 × 155,475.94
  4. Step 4: Simplify right side
    576,200.08x = 134,377,870,489.59
  5. Step 5: Solve for x
    x = 134,377,870,489.59/576,200.08
  6. Step 6: Final answer
    x = 233,213.90

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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.