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Finding the Fourth Proportional to 282,354.78, 423,501.17 and 82,677.12

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Solution

The fourth proportional to 282,354.78, 423,501.17 and 82,677.12 is: 124,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,354.78 : 423,501.17 = 82,677.12 : x
  2. Step 2: Convert to fraction form
    282,354.78/423,501.17 = 82,677.12/x
  3. Step 3: Cross multiply
    282,354.78x = 423,501.17 × 82,677.12
  4. Step 4: Simplify right side
    282,354.78x = 35,013,856,638.84
  5. Step 5: Solve for x
    x = 35,013,856,638.84/282,354.78
  6. Step 6: Final answer
    x = 124,006.60

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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.