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Finding the Fourth Proportional to 592,500.80, 888,751.20 and 393,046.40

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Solution

The fourth proportional to 592,500.80, 888,751.20 and 393,046.40 is: 589,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,500.80 : 888,751.20 = 393,046.40 : x
  2. Step 2: Convert to fraction form
    592,500.80/888,751.20 = 393,046.40/x
  3. Step 3: Cross multiply
    592,500.80x = 888,751.20 × 393,046.40
  4. Step 4: Simplify right side
    592,500.80x = 349,320,459,655.68
  5. Step 5: Solve for x
    x = 349,320,459,655.68/592,500.80
  6. Step 6: Final answer
    x = 589,569.60

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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.