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Finding the Fourth Proportional to 506,179.78, 698,528.48 and 276,733.41

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Solution

The fourth proportional to 506,179.78, 698,528.48 and 276,733.41 is: 381,892.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,179.78 : 698,528.48 = 276,733.41 : x
  2. Step 2: Convert to fraction form
    506,179.78/698,528.48 = 276,733.41/x
  3. Step 3: Cross multiply
    506,179.78x = 698,528.48 × 276,733.41
  4. Step 4: Simplify right side
    506,179.78x = 193,306,170,513.53
  5. Step 5: Solve for x
    x = 193,306,170,513.53/506,179.78
  6. Step 6: Final answer
    x = 381,892.32

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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.