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Finding the Fourth Proportional to 546,155.76, 819,208.08 and 191,249.28

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Solution

The fourth proportional to 546,155.76, 819,208.08 and 191,249.28 is: 286,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,155.76 : 819,208.08 = 191,249.28 : x
  2. Step 2: Convert to fraction form
    546,155.76/819,208.08 = 191,249.28/x
  3. Step 3: Cross multiply
    546,155.76x = 819,208.08 × 191,249.28
  4. Step 4: Simplify right side
    546,155.76x = 156,672,955,470.18
  5. Step 5: Solve for x
    x = 156,672,955,470.18/546,155.76
  6. Step 6: Final answer
    x = 286,864.97

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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.