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Finding the Fourth Proportional to 574,862.25, 793,334.43 and 320,213.55

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Solution

The fourth proportional to 574,862.25, 793,334.43 and 320,213.55 is: 441,908.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,862.25 : 793,334.43 = 320,213.55 : x
  2. Step 2: Convert to fraction form
    574,862.25/793,334.43 = 320,213.55/x
  3. Step 3: Cross multiply
    574,862.25x = 793,334.43 × 320,213.55
  4. Step 4: Simplify right side
    574,862.25x = 254,036,434,950.06
  5. Step 5: Solve for x
    x = 254,036,434,950.06/574,862.25
  6. Step 6: Final answer
    x = 441,908.36

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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.