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Finding the Fourth Proportional to 310,752.61, 428,876.64 and 174,792.29

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Solution

The fourth proportional to 310,752.61, 428,876.64 and 174,792.29 is: 241,234.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,752.61 : 428,876.64 = 174,792.29 : x
  2. Step 2: Convert to fraction form
    310,752.61/428,876.64 = 174,792.29/x
  3. Step 3: Cross multiply
    310,752.61x = 428,876.64 × 174,792.29
  4. Step 4: Simplify right side
    310,752.61x = 74,964,327,888.72
  5. Step 5: Solve for x
    x = 74,964,327,888.72/310,752.61
  6. Step 6: Final answer
    x = 241,234.75

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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.