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Finding the Fourth Proportional to 491,718.02, 737,001.50 and 187,913.24

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Solution

The fourth proportional to 491,718.02, 737,001.50 and 187,913.24 is: 281,649.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,718.02 : 737,001.50 = 187,913.24 : x
  2. Step 2: Convert to fraction form
    491,718.02/737,001.50 = 187,913.24/x
  3. Step 3: Cross multiply
    491,718.02x = 737,001.50 × 187,913.24
  4. Step 4: Simplify right side
    491,718.02x = 138,492,339,749.86
  5. Step 5: Solve for x
    x = 138,492,339,749.86/491,718.02
  6. Step 6: Final answer
    x = 281,649.92

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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.