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Finding the Fourth Proportional to 304,812.30, 456,343.65 and 186,714.30

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Solution

The fourth proportional to 304,812.30, 456,343.65 and 186,714.30 is: 279,535.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,812.30 : 456,343.65 = 186,714.30 : x
  2. Step 2: Convert to fraction form
    304,812.30/456,343.65 = 186,714.30/x
  3. Step 3: Cross multiply
    304,812.30x = 456,343.65 × 186,714.30
  4. Step 4: Simplify right side
    304,812.30x = 85,205,885,169.20
  5. Step 5: Solve for x
    x = 85,205,885,169.20/304,812.30
  6. Step 6: Final answer
    x = 279,535.59

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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.