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Finding the Fourth Proportional to 469,658.10, 703,909.79 and 216,587.27

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Solution

The fourth proportional to 469,658.10, 703,909.79 and 216,587.27 is: 324,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,658.10 : 703,909.79 = 216,587.27 : x
  2. Step 2: Convert to fraction form
    469,658.10/703,909.79 = 216,587.27/x
  3. Step 3: Cross multiply
    469,658.10x = 703,909.79 × 216,587.27
  4. Step 4: Simplify right side
    469,658.10x = 152,457,898,490.23
  5. Step 5: Solve for x
    x = 152,457,898,490.23/469,658.10
  6. Step 6: Final answer
    x = 324,614.65

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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.