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Finding the Fourth Proportional to 547,502.36, 755,136.88 and 471,150.12

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Solution

The fourth proportional to 547,502.36, 755,136.88 and 471,150.12 is: 649,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,502.36 : 755,136.88 = 471,150.12 : x
  2. Step 2: Convert to fraction form
    547,502.36/755,136.88 = 471,150.12/x
  3. Step 3: Cross multiply
    547,502.36x = 755,136.88 × 471,150.12
  4. Step 4: Simplify right side
    547,502.36x = 355,782,831,628.43
  5. Step 5: Solve for x
    x = 355,782,831,628.43/547,502.36
  6. Step 6: Final answer
    x = 649,828.85

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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.