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Finding the Fourth Proportional to 304,310.20, 456,465.30 and 93,947.80

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Solution

The fourth proportional to 304,310.20, 456,465.30 and 93,947.80 is: 140,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,310.20 : 456,465.30 = 93,947.80 : x
  2. Step 2: Convert to fraction form
    304,310.20/456,465.30 = 93,947.80/x
  3. Step 3: Cross multiply
    304,310.20x = 456,465.30 × 93,947.80
  4. Step 4: Simplify right side
    304,310.20x = 42,883,910,711.34
  5. Step 5: Solve for x
    x = 42,883,910,711.34/304,310.20
  6. Step 6: Final answer
    x = 140,921.70

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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.