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Finding the Fourth Proportional to 424,218.94, 585,420.69 and 233,231.74

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Solution

The fourth proportional to 424,218.94, 585,420.69 and 233,231.74 is: 321,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,218.94 : 585,420.69 = 233,231.74 : x
  2. Step 2: Convert to fraction form
    424,218.94/585,420.69 = 233,231.74/x
  3. Step 3: Cross multiply
    424,218.94x = 585,420.69 × 233,231.74
  4. Step 4: Simplify right side
    424,218.94x = 136,538,686,160.70
  5. Step 5: Solve for x
    x = 136,538,686,160.70/424,218.94
  6. Step 6: Final answer
    x = 321,859.01

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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.