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Finding the Fourth Proportional to 319,686.53, 441,166.52 and 176,445.59

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Solution

The fourth proportional to 319,686.53, 441,166.52 and 176,445.59 is: 243,494.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,686.53 : 441,166.52 = 176,445.59 : x
  2. Step 2: Convert to fraction form
    319,686.53/441,166.52 = 176,445.59/x
  3. Step 3: Cross multiply
    319,686.53x = 441,166.52 × 176,445.59
  4. Step 4: Simplify right side
    319,686.53x = 77,841,885,144.93
  5. Step 5: Solve for x
    x = 77,841,885,144.93/319,686.53
  6. Step 6: Final answer
    x = 243,494.42

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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.