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Finding the Fourth Proportional to 371,364.52, 557,045.82 and 134,706.76

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Solution

The fourth proportional to 371,364.52, 557,045.82 and 134,706.76 is: 202,059.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,364.52 : 557,045.82 = 134,706.76 : x
  2. Step 2: Convert to fraction form
    371,364.52/557,045.82 = 134,706.76/x
  3. Step 3: Cross multiply
    371,364.52x = 557,045.82 × 134,706.76
  4. Step 4: Simplify right side
    371,364.52x = 75,037,837,583.74
  5. Step 5: Solve for x
    x = 75,037,837,583.74/371,364.52
  6. Step 6: Final answer
    x = 202,059.79

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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.