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Finding the Fourth Proportional to 304,315.80, 456,752.70 and 154,660.20

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Solution

The fourth proportional to 304,315.80, 456,752.70 and 154,660.20 is: 232,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,315.80 : 456,752.70 = 154,660.20 : x
  2. Step 2: Convert to fraction form
    304,315.80/456,752.70 = 154,660.20/x
  3. Step 3: Cross multiply
    304,315.80x = 456,752.70 × 154,660.20
  4. Step 4: Simplify right side
    304,315.80x = 70,641,463,932.54
  5. Step 5: Solve for x
    x = 70,641,463,932.54/304,315.80
  6. Step 6: Final answer
    x = 232,132.09

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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.