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Finding the Fourth Proportional to 625,327.82, 937,984.88 and 152,013.62

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Solution

The fourth proportional to 625,327.82, 937,984.88 and 152,013.62 is: 228,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,327.82 : 937,984.88 = 152,013.62 : x
  2. Step 2: Convert to fraction form
    625,327.82/937,984.88 = 152,013.62/x
  3. Step 3: Cross multiply
    625,327.82x = 937,984.88 × 152,013.62
  4. Step 4: Simplify right side
    625,327.82x = 142,586,477,114.07
  5. Step 5: Solve for x
    x = 142,586,477,114.07/625,327.82
  6. Step 6: Final answer
    x = 228,018.76

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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.