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Finding the Fourth Proportional to 406,625.67, 560,826.99 and 245,312.55

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Solution

The fourth proportional to 406,625.67, 560,826.99 and 245,312.55 is: 338,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,625.67 : 560,826.99 = 245,312.55 : x
  2. Step 2: Convert to fraction form
    406,625.67/560,826.99 = 245,312.55/x
  3. Step 3: Cross multiply
    406,625.67x = 560,826.99 × 245,312.55
  4. Step 4: Simplify right side
    406,625.67x = 137,577,899,025.72
  5. Step 5: Solve for x
    x = 137,577,899,025.72/406,625.67
  6. Step 6: Final answer
    x = 338,340.42

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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.