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Finding the Fourth Proportional to 550,187.72, 825,281.58 and 363,155.48

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Solution

The fourth proportional to 550,187.72, 825,281.58 and 363,155.48 is: 544,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,187.72 : 825,281.58 = 363,155.48 : x
  2. Step 2: Convert to fraction form
    550,187.72/825,281.58 = 363,155.48/x
  3. Step 3: Cross multiply
    550,187.72x = 825,281.58 × 363,155.48
  4. Step 4: Simplify right side
    550,187.72x = 299,705,528,320.06
  5. Step 5: Solve for x
    x = 299,705,528,320.06/550,187.72
  6. Step 6: Final answer
    x = 544,733.22

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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.