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Finding the Fourth Proportional to 417,205.41, 575,754.79 and 235,944.45

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Solution

The fourth proportional to 417,205.41, 575,754.79 and 235,944.45 is: 325,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,205.41 : 575,754.79 = 235,944.45 : x
  2. Step 2: Convert to fraction form
    417,205.41/575,754.79 = 235,944.45/x
  3. Step 3: Cross multiply
    417,205.41x = 575,754.79 × 235,944.45
  4. Step 4: Simplify right side
    417,205.41x = 135,846,146,671.55
  5. Step 5: Solve for x
    x = 135,846,146,671.55/417,205.41
  6. Step 6: Final answer
    x = 325,609.74

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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.