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Finding the Fourth Proportional to 448,543.40, 672,815.10 and 182,215.40

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Solution

The fourth proportional to 448,543.40, 672,815.10 and 182,215.40 is: 273,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,543.40 : 672,815.10 = 182,215.40 : x
  2. Step 2: Convert to fraction form
    448,543.40/672,815.10 = 182,215.40/x
  3. Step 3: Cross multiply
    448,543.40x = 672,815.10 × 182,215.40
  4. Step 4: Simplify right side
    448,543.40x = 122,597,272,572.54
  5. Step 5: Solve for x
    x = 122,597,272,572.54/448,543.40
  6. Step 6: Final answer
    x = 273,323.10

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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.