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Finding the Fourth Proportional to 375,527.31, 518,248.44 and 214,434.11

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Solution

The fourth proportional to 375,527.31, 518,248.44 and 214,434.11 is: 295,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,527.31 : 518,248.44 = 214,434.11 : x
  2. Step 2: Convert to fraction form
    375,527.31/518,248.44 = 214,434.11/x
  3. Step 3: Cross multiply
    375,527.31x = 518,248.44 × 214,434.11
  4. Step 4: Simplify right side
    375,527.31x = 111,130,142,990.29
  5. Step 5: Solve for x
    x = 111,130,142,990.29/375,527.31
  6. Step 6: Final answer
    x = 295,930.92

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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.