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Finding the Fourth Proportional to 506,119.46, 698,445.02 and 276,677.76

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Solution

The fourth proportional to 506,119.46, 698,445.02 and 276,677.76 is: 381,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,119.46 : 698,445.02 = 276,677.76 : x
  2. Step 2: Convert to fraction form
    506,119.46/698,445.02 = 276,677.76/x
  3. Step 3: Cross multiply
    506,119.46x = 698,445.02 × 276,677.76
  4. Step 4: Simplify right side
    506,119.46x = 193,244,203,616.76
  5. Step 5: Solve for x
    x = 193,244,203,616.76/506,119.46
  6. Step 6: Final answer
    x = 381,815.40

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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.