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Finding the Fourth Proportional to 695,597.22, 957,774.78 and 543,250.80

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Solution

The fourth proportional to 695,597.22, 957,774.78 and 543,250.80 is: 748,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,597.22 : 957,774.78 = 543,250.80 : x
  2. Step 2: Convert to fraction form
    695,597.22/957,774.78 = 543,250.80/x
  3. Step 3: Cross multiply
    695,597.22x = 957,774.78 × 543,250.80
  4. Step 4: Simplify right side
    695,597.22x = 520,311,915,454.82
  5. Step 5: Solve for x
    x = 520,311,915,454.82/695,597.22
  6. Step 6: Final answer
    x = 748,007.47

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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.