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Finding the Fourth Proportional to 402,373.80, 603,556.65 and 162,483.66

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Solution

The fourth proportional to 402,373.80, 603,556.65 and 162,483.66 is: 243,723.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,373.80 : 603,556.65 = 162,483.66 : x
  2. Step 2: Convert to fraction form
    402,373.80/603,556.65 = 162,483.66/x
  3. Step 3: Cross multiply
    402,373.80x = 603,556.65 × 162,483.66
  4. Step 4: Simplify right side
    402,373.80x = 98,068,093,509.34
  5. Step 5: Solve for x
    x = 98,068,093,509.34/402,373.80
  6. Step 6: Final answer
    x = 243,723.85

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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.