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Finding the Fourth Proportional to 617,151.72, 925,120.32 and 360,658.74

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Solution

The fourth proportional to 617,151.72, 925,120.32 and 360,658.74 is: 540,633.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,151.72 : 925,120.32 = 360,658.74 : x
  2. Step 2: Convert to fraction form
    617,151.72/925,120.32 = 360,658.74/x
  3. Step 3: Cross multiply
    617,151.72x = 925,120.32 × 360,658.74
  4. Step 4: Simplify right side
    617,151.72x = 333,652,728,959.60
  5. Step 5: Solve for x
    x = 333,652,728,959.60/617,151.72
  6. Step 6: Final answer
    x = 540,633.23

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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.