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Finding the Fourth Proportional to 486,964.88, 730,101.52 and 350,269.18

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Solution

The fourth proportional to 486,964.88, 730,101.52 and 350,269.18 is: 525,155.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,964.88 : 730,101.52 = 350,269.18 : x
  2. Step 2: Convert to fraction form
    486,964.88/730,101.52 = 350,269.18/x
  3. Step 3: Cross multiply
    486,964.88x = 730,101.52 × 350,269.18
  4. Step 4: Simplify right side
    486,964.88x = 255,732,060,727.15
  5. Step 5: Solve for x
    x = 255,732,060,727.15/486,964.88
  6. Step 6: Final answer
    x = 525,155.04

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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.