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Finding the Fourth Proportional to 448,455.60, 672,348.60 and 270,925.20

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Solution

The fourth proportional to 448,455.60, 672,348.60 and 270,925.20 is: 406,185.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,455.60 : 672,348.60 = 270,925.20 : x
  2. Step 2: Convert to fraction form
    448,455.60/672,348.60 = 270,925.20/x
  3. Step 3: Cross multiply
    448,455.60x = 672,348.60 × 270,925.20
  4. Step 4: Simplify right side
    448,455.60x = 182,156,178,924.72
  5. Step 5: Solve for x
    x = 182,156,178,924.72/448,455.60
  6. Step 6: Final answer
    x = 406,185.54

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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.