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Finding the Fourth Proportional to 424,217.28, 585,423.78 and 233,232

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Solution

The fourth proportional to 424,217.28, 585,423.78 and 233,232 is: 321,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,217.28 : 585,423.78 = 233,232 : x
  2. Step 2: Convert to fraction form
    424,217.28/585,423.78 = 233,232/x
  3. Step 3: Cross multiply
    424,217.28x = 585,423.78 × 233,232
  4. Step 4: Simplify right side
    424,217.28x = 136,539,559,056.96
  5. Step 5: Solve for x
    x = 136,539,559,056.96/424,217.28
  6. Step 6: Final answer
    x = 321,862.32

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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.