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Finding the Fourth Proportional to 533,959.70, 801,068.03 and 218,417.51

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Solution

The fourth proportional to 533,959.70, 801,068.03 and 218,417.51 is: 327,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,959.70 : 801,068.03 = 218,417.51 : x
  2. Step 2: Convert to fraction form
    533,959.70/801,068.03 = 218,417.51/x
  3. Step 3: Cross multiply
    533,959.70x = 801,068.03 × 218,417.51
  4. Step 4: Simplify right side
    533,959.70x = 174,967,286,182.85
  5. Step 5: Solve for x
    x = 174,967,286,182.85/533,959.70
  6. Step 6: Final answer
    x = 327,678.83

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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.