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Finding the Fourth Proportional to 304,043.80, 456,195.30 and 191,810.20

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Solution

The fourth proportional to 304,043.80, 456,195.30 and 191,810.20 is: 287,797.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,043.80 : 456,195.30 = 191,810.20 : x
  2. Step 2: Convert to fraction form
    304,043.80/456,195.30 = 191,810.20/x
  3. Step 3: Cross multiply
    304,043.80x = 456,195.30 × 191,810.20
  4. Step 4: Simplify right side
    304,043.80x = 87,502,911,732.06
  5. Step 5: Solve for x
    x = 87,502,911,732.06/304,043.80
  6. Step 6: Final answer
    x = 287,797.06

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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.