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Finding the Fourth Proportional to 304,082.80, 456,124.20 and 192,108.40

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Solution

The fourth proportional to 304,082.80, 456,124.20 and 192,108.40 is: 288,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,082.80 : 456,124.20 = 192,108.40 : x
  2. Step 2: Convert to fraction form
    304,082.80/456,124.20 = 192,108.40/x
  3. Step 3: Cross multiply
    304,082.80x = 456,124.20 × 192,108.40
  4. Step 4: Simplify right side
    304,082.80x = 87,625,290,263.28
  5. Step 5: Solve for x
    x = 87,625,290,263.28/304,082.80
  6. Step 6: Final answer
    x = 288,162.60

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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.