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Finding the Fourth Proportional to 569,367.98, 785,218.83 and 472,418.27

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Solution

The fourth proportional to 569,367.98, 785,218.83 and 472,418.27 is: 651,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,367.98 : 785,218.83 = 472,418.27 : x
  2. Step 2: Convert to fraction form
    569,367.98/785,218.83 = 472,418.27/x
  3. Step 3: Cross multiply
    569,367.98x = 785,218.83 × 472,418.27
  4. Step 4: Simplify right side
    569,367.98x = 370,951,721,240.02
  5. Step 5: Solve for x
    x = 370,951,721,240.02/569,367.98
  6. Step 6: Final answer
    x = 651,514.90

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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.