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Finding the Fourth Proportional to 502,457.65, 753,262.72 and 217,933.90

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Solution

The fourth proportional to 502,457.65, 753,262.72 and 217,933.90 is: 326,717.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,457.65 : 753,262.72 = 217,933.90 : x
  2. Step 2: Convert to fraction form
    502,457.65/753,262.72 = 217,933.90/x
  3. Step 3: Cross multiply
    502,457.65x = 753,262.72 × 217,933.90
  4. Step 4: Simplify right side
    502,457.65x = 164,161,479,866.22
  5. Step 5: Solve for x
    x = 164,161,479,866.22/502,457.65
  6. Step 6: Final answer
    x = 326,717.05

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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.