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Finding the Fourth Proportional to 524,046.78, 786,026.30 and 144,972.18

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Solution

The fourth proportional to 524,046.78, 786,026.30 and 144,972.18 is: 217,446.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,046.78 : 786,026.30 = 144,972.18 : x
  2. Step 2: Convert to fraction form
    524,046.78/786,026.30 = 144,972.18/x
  3. Step 3: Cross multiply
    524,046.78x = 786,026.30 × 144,972.18
  4. Step 4: Simplify right side
    524,046.78x = 113,951,946,248.33
  5. Step 5: Solve for x
    x = 113,951,946,248.33/524,046.78
  6. Step 6: Final answer
    x = 217,446.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.