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Finding the Fourth Proportional to 416,661.06, 574,989.55 and 235,431.66

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Solution

The fourth proportional to 416,661.06, 574,989.55 and 235,431.66 is: 324,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,661.06 : 574,989.55 = 235,431.66 : x
  2. Step 2: Convert to fraction form
    416,661.06/574,989.55 = 235,431.66/x
  3. Step 3: Cross multiply
    416,661.06x = 574,989.55 × 235,431.66
  4. Step 4: Simplify right side
    416,661.06x = 135,370,744,239.15
  5. Step 5: Solve for x
    x = 135,370,744,239.15/416,661.06
  6. Step 6: Final answer
    x = 324,894.16

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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.