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Finding the Fourth Proportional to 304,847.80, 457,271.70 and 83,231.80

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Solution

The fourth proportional to 304,847.80, 457,271.70 and 83,231.80 is: 124,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,847.80 : 457,271.70 = 83,231.80 : x
  2. Step 2: Convert to fraction form
    304,847.80/457,271.70 = 83,231.80/x
  3. Step 3: Cross multiply
    304,847.80x = 457,271.70 × 83,231.80
  4. Step 4: Simplify right side
    304,847.80x = 38,059,546,680.06
  5. Step 5: Solve for x
    x = 38,059,546,680.06/304,847.80
  6. Step 6: Final answer
    x = 124,847.70

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1.5x scale

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.