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Finding the Fourth Proportional to 502,484.86, 753,303.38 and 217,961.20

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Solution

The fourth proportional to 502,484.86, 753,303.38 and 217,961.20 is: 326,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,484.86 : 753,303.38 = 217,961.20 : x
  2. Step 2: Convert to fraction form
    502,484.86/753,303.38 = 217,961.20/x
  3. Step 3: Cross multiply
    502,484.86x = 753,303.38 × 217,961.20
  4. Step 4: Simplify right side
    502,484.86x = 164,190,908,668.86
  5. Step 5: Solve for x
    x = 164,190,908,668.86/502,484.86
  6. Step 6: Final answer
    x = 326,757.92

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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.