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Finding the Fourth Proportional to 424,080.68, 585,235.80 and 230,488.36

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Solution

The fourth proportional to 424,080.68, 585,235.80 and 230,488.36 is: 318,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,080.68 : 585,235.80 = 230,488.36 : x
  2. Step 2: Convert to fraction form
    424,080.68/585,235.80 = 230,488.36/x
  3. Step 3: Cross multiply
    424,080.68x = 585,235.80 × 230,488.36
  4. Step 4: Simplify right side
    424,080.68x = 134,890,039,755.29
  5. Step 5: Solve for x
    x = 134,890,039,755.29/424,080.68
  6. Step 6: Final answer
    x = 318,076.36

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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.