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Finding the Fourth Proportional to 488,541.24, 674,187.10 and 297,554.78

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Solution

The fourth proportional to 488,541.24, 674,187.10 and 297,554.78 is: 410,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,541.24 : 674,187.10 = 297,554.78 : x
  2. Step 2: Convert to fraction form
    488,541.24/674,187.10 = 297,554.78/x
  3. Step 3: Cross multiply
    488,541.24x = 674,187.10 × 297,554.78
  4. Step 4: Simplify right side
    488,541.24x = 200,607,595,160.92
  5. Step 5: Solve for x
    x = 200,607,595,160.92/488,541.24
  6. Step 6: Final answer
    x = 410,625.71

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1.5x scale

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.