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Finding the Fourth Proportional to 313,807.68, 433,044 and 179,645.76

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Solution

The fourth proportional to 313,807.68, 433,044 and 179,645.76 is: 247,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,807.68 : 433,044 = 179,645.76 : x
  2. Step 2: Convert to fraction form
    313,807.68/433,044 = 179,645.76/x
  3. Step 3: Cross multiply
    313,807.68x = 433,044 × 179,645.76
  4. Step 4: Simplify right side
    313,807.68x = 77,794,518,493.44
  5. Step 5: Solve for x
    x = 77,794,518,493.44/313,807.68
  6. Step 6: Final answer
    x = 247,905.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.