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Finding the Fourth Proportional to 335,266.80, 503,483.40 and 324,769.20

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Solution

The fourth proportional to 335,266.80, 503,483.40 and 324,769.20 is: 487,718.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,266.80 : 503,483.40 = 324,769.20 : x
  2. Step 2: Convert to fraction form
    335,266.80/503,483.40 = 324,769.20/x
  3. Step 3: Cross multiply
    335,266.80x = 503,483.40 × 324,769.20
  4. Step 4: Simplify right side
    335,266.80x = 163,515,901,031.28
  5. Step 5: Solve for x
    x = 163,515,901,031.28/335,266.80
  6. Step 6: Final answer
    x = 487,718.74

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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.