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Finding the Fourth Proportional to 572,260.97, 789,757.05 and 317,612.16

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Solution

The fourth proportional to 572,260.97, 789,757.05 and 317,612.16 is: 438,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,260.97 : 789,757.05 = 317,612.16 : x
  2. Step 2: Convert to fraction form
    572,260.97/789,757.05 = 317,612.16/x
  3. Step 3: Cross multiply
    572,260.97x = 789,757.05 × 317,612.16
  4. Step 4: Simplify right side
    572,260.97x = 250,836,440,937.67
  5. Step 5: Solve for x
    x = 250,836,440,937.67/572,260.97
  6. Step 6: Final answer
    x = 438,325.26

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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.