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Finding the Fourth Proportional to 424,986.27, 586,479.72 and 233,999.70

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Solution

The fourth proportional to 424,986.27, 586,479.72 and 233,999.70 is: 322,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,986.27 : 586,479.72 = 233,999.70 : x
  2. Step 2: Convert to fraction form
    424,986.27/586,479.72 = 233,999.70/x
  3. Step 3: Cross multiply
    424,986.27x = 586,479.72 × 233,999.70
  4. Step 4: Simplify right side
    424,986.27x = 137,236,078,536.08
  5. Step 5: Solve for x
    x = 137,236,078,536.08/424,986.27
  6. Step 6: Final answer
    x = 322,918.85

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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.