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Finding the Fourth Proportional to 448,125.40, 672,171.90 and 181,878.40

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Solution

The fourth proportional to 448,125.40, 672,171.90 and 181,878.40 is: 272,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,125.40 : 672,171.90 = 181,878.40 : x
  2. Step 2: Convert to fraction form
    448,125.40/672,171.90 = 181,878.40/x
  3. Step 3: Cross multiply
    448,125.40x = 672,171.90 × 181,878.40
  4. Step 4: Simplify right side
    448,125.40x = 122,253,549,696.96
  5. Step 5: Solve for x
    x = 122,253,549,696.96/448,125.40
  6. Step 6: Final answer
    x = 272,811.02

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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.