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Finding the Fourth Proportional to 375,254.90, 517,851.96 and 205,489.01

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Solution

The fourth proportional to 375,254.90, 517,851.96 and 205,489.01 is: 283,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,254.90 : 517,851.96 = 205,489.01 : x
  2. Step 2: Convert to fraction form
    375,254.90/517,851.96 = 205,489.01/x
  3. Step 3: Cross multiply
    375,254.90x = 517,851.96 × 205,489.01
  4. Step 4: Simplify right side
    375,254.90x = 106,412,886,586.96
  5. Step 5: Solve for x
    x = 106,412,886,586.96/375,254.90
  6. Step 6: Final answer
    x = 283,574.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.