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Finding the Fourth Proportional to 498,950.62, 688,550.34 and 272,597.74

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Solution

The fourth proportional to 498,950.62, 688,550.34 and 272,597.74 is: 376,184.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,950.62 : 688,550.34 = 272,597.74 : x
  2. Step 2: Convert to fraction form
    498,950.62/688,550.34 = 272,597.74/x
  3. Step 3: Cross multiply
    498,950.62x = 688,550.34 × 272,597.74
  4. Step 4: Simplify right side
    498,950.62x = 187,697,266,560.23
  5. Step 5: Solve for x
    x = 187,697,266,560.23/498,950.62
  6. Step 6: Final answer
    x = 376,184.05

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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.