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Finding the Fourth Proportional to 364,902.76, 547,353.90 and 265,694.20

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Solution

The fourth proportional to 364,902.76, 547,353.90 and 265,694.20 is: 398,541.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,902.76 : 547,353.90 = 265,694.20 : x
  2. Step 2: Convert to fraction form
    364,902.76/547,353.90 = 265,694.20/x
  3. Step 3: Cross multiply
    364,902.76x = 547,353.90 × 265,694.20
  4. Step 4: Simplify right side
    364,902.76x = 145,428,756,577.38
  5. Step 5: Solve for x
    x = 145,428,756,577.38/364,902.76
  6. Step 6: Final answer
    x = 398,541.13

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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.