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Finding the Fourth Proportional to 625,330.50, 937,765.98 and 214,883.40

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Solution

The fourth proportional to 625,330.50, 937,765.98 and 214,883.40 is: 322,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,330.50 : 937,765.98 = 214,883.40 : x
  2. Step 2: Convert to fraction form
    625,330.50/937,765.98 = 214,883.40/x
  3. Step 3: Cross multiply
    625,330.50x = 937,765.98 × 214,883.40
  4. Step 4: Simplify right side
    625,330.50x = 201,510,342,186.73
  5. Step 5: Solve for x
    x = 201,510,342,186.73/625,330.50
  6. Step 6: Final answer
    x = 322,246.14

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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.