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Finding the Fourth Proportional to 592,608.20, 888,912.30 and 435,144.20

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Solution

The fourth proportional to 592,608.20, 888,912.30 and 435,144.20 is: 652,716.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,608.20 : 888,912.30 = 435,144.20 : x
  2. Step 2: Convert to fraction form
    592,608.20/888,912.30 = 435,144.20/x
  3. Step 3: Cross multiply
    592,608.20x = 888,912.30 × 435,144.20
  4. Step 4: Simplify right side
    592,608.20x = 386,805,031,653.66
  5. Step 5: Solve for x
    x = 386,805,031,653.66/592,608.20
  6. Step 6: Final answer
    x = 652,716.30

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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.