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Finding the Fourth Proportional to 625,331.50, 937,767.48 and 214,884.40

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Solution

The fourth proportional to 625,331.50, 937,767.48 and 214,884.40 is: 322,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,331.50 : 937,767.48 = 214,884.40 : x
  2. Step 2: Convert to fraction form
    625,331.50/937,767.48 = 214,884.40/x
  3. Step 3: Cross multiply
    625,331.50x = 937,767.48 × 214,884.40
  4. Step 4: Simplify right side
    625,331.50x = 201,511,602,279.31
  5. Step 5: Solve for x
    x = 201,511,602,279.31/625,331.50
  6. Step 6: Final answer
    x = 322,247.64

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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.