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Finding the Fourth Proportional to 484,029.68, 724,881.74 and 270,272.30

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Solution

The fourth proportional to 484,029.68, 724,881.74 and 270,272.30 is: 404,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,029.68 : 724,881.74 = 270,272.30 : x
  2. Step 2: Convert to fraction form
    484,029.68/724,881.74 = 270,272.30/x
  3. Step 3: Cross multiply
    484,029.68x = 724,881.74 × 270,272.30
  4. Step 4: Simplify right side
    484,029.68x = 195,915,455,097.80
  5. Step 5: Solve for x
    x = 195,915,455,097.80/484,029.68
  6. Step 6: Final answer
    x = 404,759.18

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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.