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Finding the Fourth Proportional to 585,988.80, 878,983.20 and 165,259.20

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Solution

The fourth proportional to 585,988.80, 878,983.20 and 165,259.20 is: 247,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,988.80 : 878,983.20 = 165,259.20 : x
  2. Step 2: Convert to fraction form
    585,988.80/878,983.20 = 165,259.20/x
  3. Step 3: Cross multiply
    585,988.80x = 878,983.20 × 165,259.20
  4. Step 4: Simplify right side
    585,988.80x = 145,260,060,445.44
  5. Step 5: Solve for x
    x = 145,260,060,445.44/585,988.80
  6. Step 6: Final answer
    x = 247,888.80

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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.