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Finding the Fourth Proportional to 579,962.54, 800,700.39 and 450,656.78

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Solution

The fourth proportional to 579,962.54, 800,700.39 and 450,656.78 is: 622,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,962.54 : 800,700.39 = 450,656.78 : x
  2. Step 2: Convert to fraction form
    579,962.54/800,700.39 = 450,656.78/x
  3. Step 3: Cross multiply
    579,962.54x = 800,700.39 × 450,656.78
  4. Step 4: Simplify right side
    579,962.54x = 360,841,055,498.64
  5. Step 5: Solve for x
    x = 360,841,055,498.64/579,962.54
  6. Step 6: Final answer
    x = 622,179.94

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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.