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Finding the Fourth Proportional to 592,613.70, 888,920.55 and 435,149.70

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Solution

The fourth proportional to 592,613.70, 888,920.55 and 435,149.70 is: 652,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,613.70 : 888,920.55 = 435,149.70 : x
  2. Step 2: Convert to fraction form
    592,613.70/888,920.55 = 435,149.70/x
  3. Step 3: Cross multiply
    592,613.70x = 888,920.55 × 435,149.70
  4. Step 4: Simplify right side
    592,613.70x = 386,813,510,656.34
  5. Step 5: Solve for x
    x = 386,813,510,656.34/592,613.70
  6. Step 6: Final answer
    x = 652,724.55

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Similar ratio
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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.