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Finding the Fourth Proportional to 424,170.12, 585,365.94 and 233,188.32

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Solution

The fourth proportional to 424,170.12, 585,365.94 and 233,188.32 is: 321,806.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,170.12 : 585,365.94 = 233,188.32 : x
  2. Step 2: Convert to fraction form
    424,170.12/585,365.94 = 233,188.32/x
  3. Step 3: Cross multiply
    424,170.12x = 585,365.94 × 233,188.32
  4. Step 4: Simplify right side
    424,170.12x = 136,500,500,133.82
  5. Step 5: Solve for x
    x = 136,500,500,133.82/424,170.12
  6. Step 6: Final answer
    x = 321,806.02

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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.