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Finding the Fourth Proportional to 416,731.98, 575,061.75 and 235,451.55

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Solution

The fourth proportional to 416,731.98, 575,061.75 and 235,451.55 is: 324,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,731.98 : 575,061.75 = 235,451.55 : x
  2. Step 2: Convert to fraction form
    416,731.98/575,061.75 = 235,451.55/x
  3. Step 3: Cross multiply
    416,731.98x = 575,061.75 × 235,451.55
  4. Step 4: Simplify right side
    416,731.98x = 135,399,180,383.21
  5. Step 5: Solve for x
    x = 135,399,180,383.21/416,731.98
  6. Step 6: Final answer
    x = 324,907.10

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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.