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Finding the Fourth Proportional to 538,364.20, 807,655.65 and 183,414.10

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Solution

The fourth proportional to 538,364.20, 807,655.65 and 183,414.10 is: 275,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,364.20 : 807,655.65 = 183,414.10 : x
  2. Step 2: Convert to fraction form
    538,364.20/807,655.65 = 183,414.10/x
  3. Step 3: Cross multiply
    538,364.20x = 807,655.65 × 183,414.10
  4. Step 4: Simplify right side
    538,364.20x = 148,135,434,154.67
  5. Step 5: Solve for x
    x = 148,135,434,154.67/538,364.20
  6. Step 6: Final answer
    x = 275,158.40

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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.