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Finding the Fourth Proportional to 304,295.57, 456,484.88 and 126,761.06

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Solution

The fourth proportional to 304,295.57, 456,484.88 and 126,761.06 is: 190,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,295.57 : 456,484.88 = 126,761.06 : x
  2. Step 2: Convert to fraction form
    304,295.57/456,484.88 = 126,761.06/x
  3. Step 3: Cross multiply
    304,295.57x = 456,484.88 × 126,761.06
  4. Step 4: Simplify right side
    304,295.57x = 57,864,508,720.89
  5. Step 5: Solve for x
    x = 57,864,508,720.89/304,295.57
  6. Step 6: Final answer
    x = 190,158.89

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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.