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Finding the Fourth Proportional to 334,654.89, 501,988.41 and 121,574.13

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Solution

The fourth proportional to 334,654.89, 501,988.41 and 121,574.13 is: 182,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,654.89 : 501,988.41 = 121,574.13 : x
  2. Step 2: Convert to fraction form
    334,654.89/501,988.41 = 121,574.13/x
  3. Step 3: Cross multiply
    334,654.89x = 501,988.41 × 121,574.13
  4. Step 4: Simplify right side
    334,654.89x = 61,028,804,215.83
  5. Step 5: Solve for x
    x = 61,028,804,215.83/334,654.89
  6. Step 6: Final answer
    x = 182,363.40

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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.