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Finding the Fourth Proportional to 537,512.56, 741,772.89 and 308,064.87

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Solution

The fourth proportional to 537,512.56, 741,772.89 and 308,064.87 is: 425,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,512.56 : 741,772.89 = 308,064.87 : x
  2. Step 2: Convert to fraction form
    537,512.56/741,772.89 = 308,064.87/x
  3. Step 3: Cross multiply
    537,512.56x = 741,772.89 × 308,064.87
  4. Step 4: Simplify right side
    537,512.56x = 228,514,168,927.37
  5. Step 5: Solve for x
    x = 228,514,168,927.37/537,512.56
  6. Step 6: Final answer
    x = 425,132.71

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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.