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Finding the Fourth Proportional to 579,961.04, 800,698.32 and 450,655.27

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Solution

The fourth proportional to 579,961.04, 800,698.32 and 450,655.27 is: 622,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,961.04 : 800,698.32 = 450,655.27 : x
  2. Step 2: Convert to fraction form
    579,961.04/800,698.32 = 450,655.27/x
  3. Step 3: Cross multiply
    579,961.04x = 800,698.32 × 450,655.27
  4. Step 4: Simplify right side
    579,961.04x = 360,838,915,586.40
  5. Step 5: Solve for x
    x = 360,838,915,586.40/579,961.04
  6. Step 6: Final answer
    x = 622,177.86

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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.