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Finding the Fourth Proportional to 532,626.31, 798,942.50 and 177,639.30

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Solution

The fourth proportional to 532,626.31, 798,942.50 and 177,639.30 is: 266,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,626.31 : 798,942.50 = 177,639.30 : x
  2. Step 2: Convert to fraction form
    532,626.31/798,942.50 = 177,639.30/x
  3. Step 3: Cross multiply
    532,626.31x = 798,942.50 × 177,639.30
  4. Step 4: Simplify right side
    532,626.31x = 141,923,588,715.03
  5. Step 5: Solve for x
    x = 141,923,588,715.03/532,626.31
  6. Step 6: Final answer
    x = 266,459.97

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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.