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Finding the Fourth Proportional to 963,641.36, 1,445,691.72 and 332,560.64

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Solution

The fourth proportional to 963,641.36, 1,445,691.72 and 332,560.64 is: 498,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,641.36 : 1,445,691.72 = 332,560.64 : x
  2. Step 2: Convert to fraction form
    963,641.36/1,445,691.72 = 332,560.64/x
  3. Step 3: Cross multiply
    963,641.36x = 1,445,691.72 × 332,560.64
  4. Step 4: Simplify right side
    963,641.36x = 480,780,163,645.90
  5. Step 5: Solve for x
    x = 480,780,163,645.90/963,641.36
  6. Step 6: Final answer
    x = 498,920.22

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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.