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Finding the Fourth Proportional to 374,718.60, 517,123.98 and 204,952.73

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Solution

The fourth proportional to 374,718.60, 517,123.98 and 204,952.73 is: 282,841.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,718.60 : 517,123.98 = 204,952.73 : x
  2. Step 2: Convert to fraction form
    374,718.60/517,123.98 = 204,952.73/x
  3. Step 3: Cross multiply
    374,718.60x = 517,123.98 × 204,952.73
  4. Step 4: Simplify right side
    374,718.60x = 105,985,968,863.85
  5. Step 5: Solve for x
    x = 105,985,968,863.85/374,718.60
  6. Step 6: Final answer
    x = 282,841.49

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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.