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Finding the Fourth Proportional to 235,643.10, 353,464.65 and 231,755.10

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Solution

The fourth proportional to 235,643.10, 353,464.65 and 231,755.10 is: 347,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,643.10 : 353,464.65 = 231,755.10 : x
  2. Step 2: Convert to fraction form
    235,643.10/353,464.65 = 231,755.10/x
  3. Step 3: Cross multiply
    235,643.10x = 353,464.65 × 231,755.10
  4. Step 4: Simplify right side
    235,643.10x = 81,917,235,307.22
  5. Step 5: Solve for x
    x = 81,917,235,307.22/235,643.10
  6. Step 6: Final answer
    x = 347,632.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.