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Finding the Fourth Proportional to 424,145.43, 585,328.68 and 233,158.77

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Solution

The fourth proportional to 424,145.43, 585,328.68 and 233,158.77 is: 321,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,145.43 : 585,328.68 = 233,158.77 : x
  2. Step 2: Convert to fraction form
    424,145.43/585,328.68 = 233,158.77/x
  3. Step 3: Cross multiply
    424,145.43x = 585,328.68 × 233,158.77
  4. Step 4: Simplify right side
    424,145.43x = 136,474,515,074.52
  5. Step 5: Solve for x
    x = 136,474,515,074.52/424,145.43
  6. Step 6: Final answer
    x = 321,763.49

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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.