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Finding the Fourth Proportional to 658,576.92, 908,836.10 and 356,770.92

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Solution

The fourth proportional to 658,576.92, 908,836.10 and 356,770.92 is: 492,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,576.92 : 908,836.10 = 356,770.92 : x
  2. Step 2: Convert to fraction form
    658,576.92/908,836.10 = 356,770.92/x
  3. Step 3: Cross multiply
    658,576.92x = 908,836.10 × 356,770.92
  4. Step 4: Simplify right side
    658,576.92x = 324,246,291,526.21
  5. Step 5: Solve for x
    x = 324,246,291,526.21/658,576.92
  6. Step 6: Final answer
    x = 492,343.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.