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Finding the Fourth Proportional to 414,483.88, 571,987.76 and 235,635.88

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Solution

The fourth proportional to 414,483.88, 571,987.76 and 235,635.88 is: 325,177.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,483.88 : 571,987.76 = 235,635.88 : x
  2. Step 2: Convert to fraction form
    414,483.88/571,987.76 = 235,635.88/x
  3. Step 3: Cross multiply
    414,483.88x = 571,987.76 × 235,635.88
  4. Step 4: Simplify right side
    414,483.88x = 134,780,839,176.83
  5. Step 5: Solve for x
    x = 134,780,839,176.83/414,483.88
  6. Step 6: Final answer
    x = 325,177.52

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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.