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Finding the Fourth Proportional to 341,505.74, 511,827.96 and 173,068.40

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Solution

The fourth proportional to 341,505.74, 511,827.96 and 173,068.40 is: 259,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,505.74 : 511,827.96 = 173,068.40 : x
  2. Step 2: Convert to fraction form
    341,505.74/511,827.96 = 173,068.40/x
  3. Step 3: Cross multiply
    341,505.74x = 511,827.96 × 173,068.40
  4. Step 4: Simplify right side
    341,505.74x = 88,581,246,112.46
  5. Step 5: Solve for x
    x = 88,581,246,112.46/341,505.74
  6. Step 6: Final answer
    x = 259,384.36

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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.