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Finding the Fourth Proportional to 1,043.92, 1,565.40 and 466.78

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Solution

The fourth proportional to 1,043.92, 1,565.40 and 466.78 is: 699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.92 : 1,565.40 = 466.78 : x
  2. Step 2: Convert to fraction form
    1,043.92/1,565.40 = 466.78/x
  3. Step 3: Cross multiply
    1,043.92x = 1,565.40 × 466.78
  4. Step 4: Simplify right side
    1,043.92x = 730,697.41
  5. Step 5: Solve for x
    x = 730,697.41/1,043.92
  6. Step 6: Final answer
    x = 699.96

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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.