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Finding the Fourth Proportional to 318,364.48, 477,382.38 and 93,695.77

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Solution

The fourth proportional to 318,364.48, 477,382.38 and 93,695.77 is: 140,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,364.48 : 477,382.38 = 93,695.77 : x
  2. Step 2: Convert to fraction form
    318,364.48/477,382.38 = 93,695.77/x
  3. Step 3: Cross multiply
    318,364.48x = 477,382.38 × 93,695.77
  4. Step 4: Simplify right side
    318,364.48x = 44,728,709,678.53
  5. Step 5: Solve for x
    x = 44,728,709,678.53/318,364.48
  6. Step 6: Final answer
    x = 140,495.29

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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.