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Finding the Fourth Proportional to 537,285.24, 741,371.40 and 310,887

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Solution

The fourth proportional to 537,285.24, 741,371.40 and 310,887 is: 428,976.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,285.24 : 741,371.40 = 310,887 : x
  2. Step 2: Convert to fraction form
    537,285.24/741,371.40 = 310,887/x
  3. Step 3: Cross multiply
    537,285.24x = 741,371.40 × 310,887
  4. Step 4: Simplify right side
    537,285.24x = 230,482,730,431.80
  5. Step 5: Solve for x
    x = 230,482,730,431.80/537,285.24
  6. Step 6: Final answer
    x = 428,976.48

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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.