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Finding the Fourth Proportional to 424,444.88, 585,721.60 and 233,458.22

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Solution

The fourth proportional to 424,444.88, 585,721.60 and 233,458.22 is: 322,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,444.88 : 585,721.60 = 233,458.22 : x
  2. Step 2: Convert to fraction form
    424,444.88/585,721.60 = 233,458.22/x
  3. Step 3: Cross multiply
    424,444.88x = 585,721.60 × 233,458.22
  4. Step 4: Simplify right side
    424,444.88x = 136,741,523,032.21
  5. Step 5: Solve for x
    x = 136,741,523,032.21/424,444.88
  6. Step 6: Final answer
    x = 322,165.56

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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.