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Finding the Fourth Proportional to 295,688.55, 408,050.34 and 159,722.49

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Solution

The fourth proportional to 295,688.55, 408,050.34 and 159,722.49 is: 220,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,688.55 : 408,050.34 = 159,722.49 : x
  2. Step 2: Convert to fraction form
    295,688.55/408,050.34 = 159,722.49/x
  3. Step 3: Cross multiply
    295,688.55x = 408,050.34 × 159,722.49
  4. Step 4: Simplify right side
    295,688.55x = 65,174,816,350.15
  5. Step 5: Solve for x
    x = 65,174,816,350.15/295,688.55
  6. Step 6: Final answer
    x = 220,417.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.