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Finding the Fourth Proportional to 572,022.42, 789,195.42 and 326,831.25

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Solution

The fourth proportional to 572,022.42, 789,195.42 and 326,831.25 is: 450,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,022.42 : 789,195.42 = 326,831.25 : x
  2. Step 2: Convert to fraction form
    572,022.42/789,195.42 = 326,831.25/x
  3. Step 3: Cross multiply
    572,022.42x = 789,195.42 × 326,831.25
  4. Step 4: Simplify right side
    572,022.42x = 257,933,725,612.88
  5. Step 5: Solve for x
    x = 257,933,725,612.88/572,022.42
  6. Step 6: Final answer
    x = 450,915.41

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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.