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Finding the Fourth Proportional to 497,937.70, 745,922.40 and 272,895.40

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Solution

The fourth proportional to 497,937.70, 745,922.40 and 272,895.40 is: 408,803.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,937.70 : 745,922.40 = 272,895.40 : x
  2. Step 2: Convert to fraction form
    497,937.70/745,922.40 = 272,895.40/x
  3. Step 3: Cross multiply
    497,937.70x = 745,922.40 × 272,895.40
  4. Step 4: Simplify right side
    497,937.70x = 203,558,791,716.96
  5. Step 5: Solve for x
    x = 203,558,791,716.96/497,937.70
  6. Step 6: Final answer
    x = 408,803.74

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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.