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Finding the Fourth Proportional to 262,094.80, 392,565.93 and 216,600.55

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Solution

The fourth proportional to 262,094.80, 392,565.93 and 216,600.55 is: 324,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,094.80 : 392,565.93 = 216,600.55 : x
  2. Step 2: Convert to fraction form
    262,094.80/392,565.93 = 216,600.55/x
  3. Step 3: Cross multiply
    262,094.80x = 392,565.93 × 216,600.55
  4. Step 4: Simplify right side
    262,094.80x = 85,029,995,909.35
  5. Step 5: Solve for x
    x = 85,029,995,909.35/262,094.80
  6. Step 6: Final answer
    x = 324,424.58

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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.