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Finding the Fourth Proportional to 424,276.25, 585,511.16 and 230,694.98

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Solution

The fourth proportional to 424,276.25, 585,511.16 and 230,694.98 is: 318,364.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,276.25 : 585,511.16 = 230,694.98 : x
  2. Step 2: Convert to fraction form
    424,276.25/585,511.16 = 230,694.98/x
  3. Step 3: Cross multiply
    424,276.25x = 585,511.16 × 230,694.98
  4. Step 4: Simplify right side
    424,276.25x = 135,074,481,264.95
  5. Step 5: Solve for x
    x = 135,074,481,264.95/424,276.25
  6. Step 6: Final answer
    x = 318,364.47

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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.