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Finding the Fourth Proportional to 927,773.56, 1,280,208 and 545,660.92

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Solution

The fourth proportional to 927,773.56, 1,280,208 and 545,660.92 is: 752,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,773.56 : 1,280,208 = 545,660.92 : x
  2. Step 2: Convert to fraction form
    927,773.56/1,280,208 = 545,660.92/x
  3. Step 3: Cross multiply
    927,773.56x = 1,280,208 × 545,660.92
  4. Step 4: Simplify right side
    927,773.56x = 698,559,475,071.36
  5. Step 5: Solve for x
    x = 698,559,475,071.36/927,773.56
  6. Step 6: Final answer
    x = 752,941.78

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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.