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Finding the Fourth Proportional to 648,342.82, 971,849.13 and 248,876.02

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Solution

The fourth proportional to 648,342.82, 971,849.13 and 248,876.02 is: 373,058.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,342.82 : 971,849.13 = 248,876.02 : x
  2. Step 2: Convert to fraction form
    648,342.82/971,849.13 = 248,876.02/x
  3. Step 3: Cross multiply
    648,342.82x = 971,849.13 × 248,876.02
  4. Step 4: Simplify right side
    648,342.82x = 241,869,943,514.86
  5. Step 5: Solve for x
    x = 241,869,943,514.86/648,342.82
  6. Step 6: Final answer
    x = 373,058.72

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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.