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Finding the Fourth Proportional to 372,166.55, 513,705.47 and 295,821.11

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Solution

The fourth proportional to 372,166.55, 513,705.47 and 295,821.11 is: 408,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,166.55 : 513,705.47 = 295,821.11 : x
  2. Step 2: Convert to fraction form
    372,166.55/513,705.47 = 295,821.11/x
  3. Step 3: Cross multiply
    372,166.55x = 513,705.47 × 295,821.11
  4. Step 4: Simplify right side
    372,166.55x = 151,964,922,348.47
  5. Step 5: Solve for x
    x = 151,964,922,348.47/372,166.55
  6. Step 6: Final answer
    x = 408,325.04

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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.