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Finding the Fourth Proportional to 448,045.10, 672,067.65 and 413,830.70

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Solution

The fourth proportional to 448,045.10, 672,067.65 and 413,830.70 is: 620,746.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,045.10 : 672,067.65 = 413,830.70 : x
  2. Step 2: Convert to fraction form
    448,045.10/672,067.65 = 413,830.70/x
  3. Step 3: Cross multiply
    448,045.10x = 672,067.65 × 413,830.70
  4. Step 4: Simplify right side
    448,045.10x = 278,122,226,046.86
  5. Step 5: Solve for x
    x = 278,122,226,046.86/448,045.10
  6. Step 6: Final answer
    x = 620,746.05

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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.