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Finding the Fourth Proportional to 1,254,892.52, 1,731,750.36 and 681,931.46

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Solution

The fourth proportional to 1,254,892.52, 1,731,750.36 and 681,931.46 is: 941,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,892.52 : 1,731,750.36 = 681,931.46 : x
  2. Step 2: Convert to fraction form
    1,254,892.52/1,731,750.36 = 681,931.46/x
  3. Step 3: Cross multiply
    1,254,892.52x = 1,731,750.36 × 681,931.46
  4. Step 4: Simplify right side
    1,254,892.52x = 1,180,935,051,350.33
  5. Step 5: Solve for x
    x = 1,180,935,051,350.33/1,254,892.52
  6. Step 6: Final answer
    x = 941,064.70

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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.