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Finding the Fourth Proportional to 445,464.66, 614,734.80 and 241,511.72

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Solution

The fourth proportional to 445,464.66, 614,734.80 and 241,511.72 is: 333,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,464.66 : 614,734.80 = 241,511.72 : x
  2. Step 2: Convert to fraction form
    445,464.66/614,734.80 = 241,511.72/x
  3. Step 3: Cross multiply
    445,464.66x = 614,734.80 × 241,511.72
  4. Step 4: Simplify right side
    445,464.66x = 148,465,658,891.86
  5. Step 5: Solve for x
    x = 148,465,658,891.86/445,464.66
  6. Step 6: Final answer
    x = 333,282.69

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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.