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Finding the Fourth Proportional to 535,451.24, 738,909.84 and 293,731.64

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Solution

The fourth proportional to 535,451.24, 738,909.84 and 293,731.64 is: 405,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,451.24 : 738,909.84 = 293,731.64 : x
  2. Step 2: Convert to fraction form
    535,451.24/738,909.84 = 293,731.64/x
  3. Step 3: Cross multiply
    535,451.24x = 738,909.84 × 293,731.64
  4. Step 4: Simplify right side
    535,451.24x = 217,041,199,115.34
  5. Step 5: Solve for x
    x = 217,041,199,115.34/535,451.24
  6. Step 6: Final answer
    x = 405,342.60

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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.