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Finding the Fourth Proportional to 282,682.80, 424,024.20 and 164,487.60

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Solution

The fourth proportional to 282,682.80, 424,024.20 and 164,487.60 is: 246,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,682.80 : 424,024.20 = 164,487.60 : x
  2. Step 2: Convert to fraction form
    282,682.80/424,024.20 = 164,487.60/x
  3. Step 3: Cross multiply
    282,682.80x = 424,024.20 × 164,487.60
  4. Step 4: Simplify right side
    282,682.80x = 69,746,722,999.92
  5. Step 5: Solve for x
    x = 69,746,722,999.92/282,682.80
  6. Step 6: Final answer
    x = 246,731.40

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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.