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Finding the Fourth Proportional to 625,325.82, 937,981.88 and 152,011.62

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Solution

The fourth proportional to 625,325.82, 937,981.88 and 152,011.62 is: 228,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,325.82 : 937,981.88 = 152,011.62 : x
  2. Step 2: Convert to fraction form
    625,325.82/937,981.88 = 152,011.62/x
  3. Step 3: Cross multiply
    625,325.82x = 937,981.88 × 152,011.62
  4. Step 4: Simplify right side
    625,325.82x = 142,584,145,109.45
  5. Step 5: Solve for x
    x = 142,584,145,109.45/625,325.82
  6. Step 6: Final answer
    x = 228,015.76

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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.