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Finding the Fourth Proportional to 469,877.65, 704,841.07 and 217,393.96

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Solution

The fourth proportional to 469,877.65, 704,841.07 and 217,393.96 is: 326,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,877.65 : 704,841.07 = 217,393.96 : x
  2. Step 2: Convert to fraction form
    469,877.65/704,841.07 = 217,393.96/x
  3. Step 3: Cross multiply
    469,877.65x = 704,841.07 × 217,393.96
  4. Step 4: Simplify right side
    469,877.65x = 153,228,191,377.94
  5. Step 5: Solve for x
    x = 153,228,191,377.94/469,877.65
  6. Step 6: Final answer
    x = 326,102.32

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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.