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Finding the Fourth Proportional to 282,684.80, 424,027.20 and 164,489.60

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Solution

The fourth proportional to 282,684.80, 424,027.20 and 164,489.60 is: 246,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,684.80 : 424,027.20 = 164,489.60 : x
  2. Step 2: Convert to fraction form
    282,684.80/424,027.20 = 164,489.60/x
  3. Step 3: Cross multiply
    282,684.80x = 424,027.20 × 164,489.60
  4. Step 4: Simplify right side
    282,684.80x = 69,748,064,517.12
  5. Step 5: Solve for x
    x = 69,748,064,517.12/282,684.80
  6. Step 6: Final answer
    x = 246,734.40

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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.