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Finding the Fourth Proportional to 417,772.56, 576,675.90 and 248,006.82

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Solution

The fourth proportional to 417,772.56, 576,675.90 and 248,006.82 is: 342,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,772.56 : 576,675.90 = 248,006.82 : x
  2. Step 2: Convert to fraction form
    417,772.56/576,675.90 = 248,006.82/x
  3. Step 3: Cross multiply
    417,772.56x = 576,675.90 × 248,006.82
  4. Step 4: Simplify right side
    417,772.56x = 143,019,556,129.64
  5. Step 5: Solve for x
    x = 143,019,556,129.64/417,772.56
  6. Step 6: Final answer
    x = 342,338.32

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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.