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Finding the Fourth Proportional to 488,722.77, 674,437.39 and 297,736.02

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Solution

The fourth proportional to 488,722.77, 674,437.39 and 297,736.02 is: 410,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,722.77 : 674,437.39 = 297,736.02 : x
  2. Step 2: Convert to fraction form
    488,722.77/674,437.39 = 297,736.02/x
  3. Step 3: Cross multiply
    488,722.77x = 674,437.39 × 297,736.02
  4. Step 4: Simplify right side
    488,722.77x = 200,804,304,237.79
  5. Step 5: Solve for x
    x = 200,804,304,237.79/488,722.77
  6. Step 6: Final answer
    x = 410,875.69

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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.