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Finding the Fourth Proportional to 533,826.70, 736,648.42 and 304,351.90

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Solution

The fourth proportional to 533,826.70, 736,648.42 and 304,351.90 is: 419,987.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,826.70 : 736,648.42 = 304,351.90 : x
  2. Step 2: Convert to fraction form
    533,826.70/736,648.42 = 304,351.90/x
  3. Step 3: Cross multiply
    533,826.70x = 736,648.42 × 304,351.90
  4. Step 4: Simplify right side
    533,826.70x = 224,200,346,259.00
  5. Step 5: Solve for x
    x = 224,200,346,259.00/533,826.70
  6. Step 6: Final answer
    x = 419,987.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.