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Finding the Fourth Proportional to 250,750.56, 375,549.84 and 210,799.20

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Solution

The fourth proportional to 250,750.56, 375,549.84 and 210,799.20 is: 315,714.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,750.56 : 375,549.84 = 210,799.20 : x
  2. Step 2: Convert to fraction form
    250,750.56/375,549.84 = 210,799.20/x
  3. Step 3: Cross multiply
    250,750.56x = 375,549.84 × 210,799.20
  4. Step 4: Simplify right side
    250,750.56x = 79,165,605,832.13
  5. Step 5: Solve for x
    x = 79,165,605,832.13/250,750.56
  6. Step 6: Final answer
    x = 315,714.57

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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.