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Finding the Fourth Proportional to 282,999.70, 424,487.40 and 96,011.20

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Solution

The fourth proportional to 282,999.70, 424,487.40 and 96,011.20 is: 144,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,999.70 : 424,487.40 = 96,011.20 : x
  2. Step 2: Convert to fraction form
    282,999.70/424,487.40 = 96,011.20/x
  3. Step 3: Cross multiply
    282,999.70x = 424,487.40 × 96,011.20
  4. Step 4: Simplify right side
    282,999.70x = 40,755,544,658.88
  5. Step 5: Solve for x
    x = 40,755,544,658.88/282,999.70
  6. Step 6: Final answer
    x = 144,012.68

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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.