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Finding the Fourth Proportional to 630,233.40, 945,350.10 and 364,512.90

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Solution

The fourth proportional to 630,233.40, 945,350.10 and 364,512.90 is: 546,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,233.40 : 945,350.10 = 364,512.90 : x
  2. Step 2: Convert to fraction form
    630,233.40/945,350.10 = 364,512.90/x
  3. Step 3: Cross multiply
    630,233.40x = 945,350.10 × 364,512.90
  4. Step 4: Simplify right side
    630,233.40x = 344,592,306,466.29
  5. Step 5: Solve for x
    x = 344,592,306,466.29/630,233.40
  6. Step 6: Final answer
    x = 546,769.35

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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.