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Finding the Fourth Proportional to 333,265.20, 499,897.80 and 83,947.20

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Solution

The fourth proportional to 333,265.20, 499,897.80 and 83,947.20 is: 125,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,265.20 : 499,897.80 = 83,947.20 : x
  2. Step 2: Convert to fraction form
    333,265.20/499,897.80 = 83,947.20/x
  3. Step 3: Cross multiply
    333,265.20x = 499,897.80 × 83,947.20
  4. Step 4: Simplify right side
    333,265.20x = 41,965,020,596.16
  5. Step 5: Solve for x
    x = 41,965,020,596.16/333,265.20
  6. Step 6: Final answer
    x = 125,920.80

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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.