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Finding the Fourth Proportional to 572,116.56, 789,496.92 and 317,452.56

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Solution

The fourth proportional to 572,116.56, 789,496.92 and 317,452.56 is: 438,071.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,116.56 : 789,496.92 = 317,452.56 : x
  2. Step 2: Convert to fraction form
    572,116.56/789,496.92 = 317,452.56/x
  3. Step 3: Cross multiply
    572,116.56x = 789,496.92 × 317,452.56
  4. Step 4: Simplify right side
    572,116.56x = 250,627,818,366.12
  5. Step 5: Solve for x
    x = 250,627,818,366.12/572,116.56
  6. Step 6: Final answer
    x = 438,071.25

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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.