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Finding the Fourth Proportional to 506,043.96, 698,340.06 and 276,602.76

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Solution

The fourth proportional to 506,043.96, 698,340.06 and 276,602.76 is: 381,711.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,043.96 : 698,340.06 = 276,602.76 : x
  2. Step 2: Convert to fraction form
    506,043.96/698,340.06 = 276,602.76/x
  3. Step 3: Cross multiply
    506,043.96x = 698,340.06 × 276,602.76
  4. Step 4: Simplify right side
    506,043.96x = 193,162,788,014.57
  5. Step 5: Solve for x
    x = 193,162,788,014.57/506,043.96
  6. Step 6: Final answer
    x = 381,711.48

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Double scale
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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.