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Finding the Fourth Proportional to 319,342.84, 440,672.96 and 183,281.02

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Solution

The fourth proportional to 319,342.84, 440,672.96 and 183,281.02 is: 252,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,342.84 : 440,672.96 = 183,281.02 : x
  2. Step 2: Convert to fraction form
    319,342.84/440,672.96 = 183,281.02/x
  3. Step 3: Cross multiply
    319,342.84x = 440,672.96 × 183,281.02
  4. Step 4: Simplify right side
    319,342.84x = 80,766,989,595.22
  5. Step 5: Solve for x
    x = 80,766,989,595.22/319,342.84
  6. Step 6: Final answer
    x = 252,916.24

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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.