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Finding the Fourth Proportional to 662,362.18, 914,081.88 and 372,024.84

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Solution

The fourth proportional to 662,362.18, 914,081.88 and 372,024.84 is: 513,406.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,362.18 : 914,081.88 = 372,024.84 : x
  2. Step 2: Convert to fraction form
    662,362.18/914,081.88 = 372,024.84/x
  3. Step 3: Cross multiply
    662,362.18x = 914,081.88 × 372,024.84
  4. Step 4: Simplify right side
    662,362.18x = 340,061,165,153.90
  5. Step 5: Solve for x
    x = 340,061,165,153.90/662,362.18
  6. Step 6: Final answer
    x = 513,406.68

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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.