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Finding the Fourth Proportional to 341,802.70, 512,813.57 and 239,326.76

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Solution

The fourth proportional to 341,802.70, 512,813.57 and 239,326.76 is: 359,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,802.70 : 512,813.57 = 239,326.76 : x
  2. Step 2: Convert to fraction form
    341,802.70/512,813.57 = 239,326.76/x
  3. Step 3: Cross multiply
    341,802.70x = 512,813.57 × 239,326.76
  4. Step 4: Simplify right side
    341,802.70x = 122,730,010,277.53
  5. Step 5: Solve for x
    x = 122,730,010,277.53/341,802.70
  6. Step 6: Final answer
    x = 359,066.83

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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.