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Finding the Fourth Proportional to 356,517, 534,894.57 and 116,641.80

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Solution

The fourth proportional to 356,517, 534,894.57 and 116,641.80 is: 175,001.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,517 : 534,894.57 = 116,641.80 : x
  2. Step 2: Convert to fraction form
    356,517/534,894.57 = 116,641.80/x
  3. Step 3: Cross multiply
    356,517x = 534,894.57 × 116,641.80
  4. Step 4: Simplify right side
    356,517x = 62,391,065,455.03
  5. Step 5: Solve for x
    x = 62,391,065,455.03/356,517
  6. Step 6: Final answer
    x = 175,001.66

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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.