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Finding the Fourth Proportional to 506,178.77, 698,545.35 and 276,751.34

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Solution

The fourth proportional to 506,178.77, 698,545.35 and 276,751.34 is: 381,927.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,178.77 : 698,545.35 = 276,751.34 : x
  2. Step 2: Convert to fraction form
    506,178.77/698,545.35 = 276,751.34/x
  3. Step 3: Cross multiply
    506,178.77x = 698,545.35 × 276,751.34
  4. Step 4: Simplify right side
    506,178.77x = 193,323,358,170.54
  5. Step 5: Solve for x
    x = 193,323,358,170.54/506,178.77
  6. Step 6: Final answer
    x = 381,927.04

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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.