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Finding the Fourth Proportional to 622,768.60, 934,152.90 and 410,192.20

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Solution

The fourth proportional to 622,768.60, 934,152.90 and 410,192.20 is: 615,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,768.60 : 934,152.90 = 410,192.20 : x
  2. Step 2: Convert to fraction form
    622,768.60/934,152.90 = 410,192.20/x
  3. Step 3: Cross multiply
    622,768.60x = 934,152.90 × 410,192.20
  4. Step 4: Simplify right side
    622,768.60x = 383,182,233,187.38
  5. Step 5: Solve for x
    x = 383,182,233,187.38/622,768.60
  6. Step 6: Final answer
    x = 615,288.30

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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.