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Finding the Fourth Proportional to 329,680, 494,475.72 and 93,041.68

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Solution

The fourth proportional to 329,680, 494,475.72 and 93,041.68 is: 139,550.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,680 : 494,475.72 = 93,041.68 : x
  2. Step 2: Convert to fraction form
    329,680/494,475.72 = 93,041.68/x
  3. Step 3: Cross multiply
    329,680x = 494,475.72 × 93,041.68
  4. Step 4: Simplify right side
    329,680x = 46,006,851,708.01
  5. Step 5: Solve for x
    x = 46,006,851,708.01/329,680
  6. Step 6: Final answer
    x = 139,550.02

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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.