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Finding the Fourth Proportional to 279,068.44, 418,602.92 and 101,576.92

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Solution

The fourth proportional to 279,068.44, 418,602.92 and 101,576.92 is: 152,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,068.44 : 418,602.92 = 101,576.92 : x
  2. Step 2: Convert to fraction form
    279,068.44/418,602.92 = 101,576.92/x
  3. Step 3: Cross multiply
    279,068.44x = 418,602.92 × 101,576.92
  4. Step 4: Simplify right side
    279,068.44x = 42,520,395,316.61
  5. Step 5: Solve for x
    x = 42,520,395,316.61/279,068.44
  6. Step 6: Final answer
    x = 152,365.47

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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.