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Finding the Fourth Proportional to 506,439.32, 698,857.98 and 276,951.32

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Solution

The fourth proportional to 506,439.32, 698,857.98 and 276,951.32 is: 382,177.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,439.32 : 698,857.98 = 276,951.32 : x
  2. Step 2: Convert to fraction form
    506,439.32/698,857.98 = 276,951.32/x
  3. Step 3: Cross multiply
    506,439.32x = 698,857.98 × 276,951.32
  4. Step 4: Simplify right side
    506,439.32x = 193,549,640,053.53
  5. Step 5: Solve for x
    x = 193,549,640,053.53/506,439.32
  6. Step 6: Final answer
    x = 382,177.36

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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.