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Finding the Fourth Proportional to 424,246.79, 585,438.88 and 233,223.27

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Solution

The fourth proportional to 424,246.79, 585,438.88 and 233,223.27 is: 321,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,246.79 : 585,438.88 = 233,223.27 : x
  2. Step 2: Convert to fraction form
    424,246.79/585,438.88 = 233,223.27/x
  3. Step 3: Cross multiply
    424,246.79x = 585,438.88 × 233,223.27
  4. Step 4: Simplify right side
    424,246.79x = 136,537,969,978.74
  5. Step 5: Solve for x
    x = 136,537,969,978.74/424,246.79
  6. Step 6: Final answer
    x = 321,836.19

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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.