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Finding the Fourth Proportional to 413,216.80, 618,658.80 and 401,552.80

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Solution

The fourth proportional to 413,216.80, 618,658.80 and 401,552.80 is: 601,195.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,216.80 : 618,658.80 = 401,552.80 : x
  2. Step 2: Convert to fraction form
    413,216.80/618,658.80 = 401,552.80/x
  3. Step 3: Cross multiply
    413,216.80x = 618,658.80 × 401,552.80
  4. Step 4: Simplify right side
    413,216.80x = 248,424,173,384.64
  5. Step 5: Solve for x
    x = 248,424,173,384.64/413,216.80
  6. Step 6: Final answer
    x = 601,195.72

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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.