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Finding the Fourth Proportional to 613,570.22, 920,418.16 and 234,809.53

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Solution

The fourth proportional to 613,570.22, 920,418.16 and 234,809.53 is: 352,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,570.22 : 920,418.16 = 234,809.53 : x
  2. Step 2: Convert to fraction form
    613,570.22/920,418.16 = 234,809.53/x
  3. Step 3: Cross multiply
    613,570.22x = 920,418.16 × 234,809.53
  4. Step 4: Simplify right side
    613,570.22x = 216,122,958,943.02
  5. Step 5: Solve for x
    x = 216,122,958,943.02/613,570.22
  6. Step 6: Final answer
    x = 352,238.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.