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Finding the Fourth Proportional to 560,126.16, 772,754.04 and 344,892.96

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Solution

The fourth proportional to 560,126.16, 772,754.04 and 344,892.96 is: 475,816.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,126.16 : 772,754.04 = 344,892.96 : x
  2. Step 2: Convert to fraction form
    560,126.16/772,754.04 = 344,892.96/x
  3. Step 3: Cross multiply
    560,126.16x = 772,754.04 × 344,892.96
  4. Step 4: Simplify right side
    560,126.16x = 266,517,428,207.56
  5. Step 5: Solve for x
    x = 266,517,428,207.56/560,126.16
  6. Step 6: Final answer
    x = 475,816.78

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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.