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Finding the Fourth Proportional to 633,728.40, 950,592.60 and 260,019.60

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Solution

The fourth proportional to 633,728.40, 950,592.60 and 260,019.60 is: 390,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,728.40 : 950,592.60 = 260,019.60 : x
  2. Step 2: Convert to fraction form
    633,728.40/950,592.60 = 260,019.60/x
  3. Step 3: Cross multiply
    633,728.40x = 950,592.60 × 260,019.60
  4. Step 4: Simplify right side
    633,728.40x = 247,172,707,614.96
  5. Step 5: Solve for x
    x = 247,172,707,614.96/633,728.40
  6. Step 6: Final answer
    x = 390,029.40

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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.