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Finding the Fourth Proportional to 429,009.80, 592,033.59 and 238,022.73

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Solution

The fourth proportional to 429,009.80, 592,033.59 and 238,022.73 is: 328,471.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,009.80 : 592,033.59 = 238,022.73 : x
  2. Step 2: Convert to fraction form
    429,009.80/592,033.59 = 238,022.73/x
  3. Step 3: Cross multiply
    429,009.80x = 592,033.59 × 238,022.73
  4. Step 4: Simplify right side
    429,009.80x = 140,917,451,343.50
  5. Step 5: Solve for x
    x = 140,917,451,343.50/429,009.80
  6. Step 6: Final answer
    x = 328,471.41

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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.