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Finding the Fourth Proportional to 606,793.26, 835,406.55 and 477,503.82

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Solution

The fourth proportional to 606,793.26, 835,406.55 and 477,503.82 is: 657,406.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,793.26 : 835,406.55 = 477,503.82 : x
  2. Step 2: Convert to fraction form
    606,793.26/835,406.55 = 477,503.82/x
  3. Step 3: Cross multiply
    606,793.26x = 835,406.55 × 477,503.82
  4. Step 4: Simplify right side
    606,793.26x = 398,909,818,878.02
  5. Step 5: Solve for x
    x = 398,909,818,878.02/606,793.26
  6. Step 6: Final answer
    x = 657,406.48

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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.