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Finding the Fourth Proportional to 304,889.20, 457,333.80 and 83,273.20

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Solution

The fourth proportional to 304,889.20, 457,333.80 and 83,273.20 is: 124,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,889.20 : 457,333.80 = 83,273.20 : x
  2. Step 2: Convert to fraction form
    304,889.20/457,333.80 = 83,273.20/x
  3. Step 3: Cross multiply
    304,889.20x = 457,333.80 × 83,273.20
  4. Step 4: Simplify right side
    304,889.20x = 38,083,648,994.16
  5. Step 5: Solve for x
    x = 38,083,648,994.16/304,889.20
  6. Step 6: Final answer
    x = 124,909.80

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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.