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Finding the Fourth Proportional to 486,875.85, 671,876.26 and 272,017.52

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Solution

The fourth proportional to 486,875.85, 671,876.26 and 272,017.52 is: 375,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,875.85 : 671,876.26 = 272,017.52 : x
  2. Step 2: Convert to fraction form
    486,875.85/671,876.26 = 272,017.52/x
  3. Step 3: Cross multiply
    486,875.85x = 671,876.26 × 272,017.52
  4. Step 4: Simplify right side
    486,875.85x = 182,762,113,992.08
  5. Step 5: Solve for x
    x = 182,762,113,992.08/486,875.85
  6. Step 6: Final answer
    x = 375,377.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.