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Finding the Fourth Proportional to 592,512.30, 888,768.45 and 474,414.30

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Solution

The fourth proportional to 592,512.30, 888,768.45 and 474,414.30 is: 711,621.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,512.30 : 888,768.45 = 474,414.30 : x
  2. Step 2: Convert to fraction form
    592,512.30/888,768.45 = 474,414.30/x
  3. Step 3: Cross multiply
    592,512.30x = 888,768.45 × 474,414.30
  4. Step 4: Simplify right side
    592,512.30x = 421,644,462,068.84
  5. Step 5: Solve for x
    x = 421,644,462,068.84/592,512.30
  6. Step 6: Final answer
    x = 711,621.45

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Double scale
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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.