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Finding the Fourth Proportional to 560,531.92, 773,550.48 and 305,899.48

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Solution

The fourth proportional to 560,531.92, 773,550.48 and 305,899.48 is: 422,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,531.92 : 773,550.48 = 305,899.48 : x
  2. Step 2: Convert to fraction form
    560,531.92/773,550.48 = 305,899.48/x
  3. Step 3: Cross multiply
    560,531.92x = 773,550.48 × 305,899.48
  4. Step 4: Simplify right side
    560,531.92x = 236,628,689,585.75
  5. Step 5: Solve for x
    x = 236,628,689,585.75/560,531.92
  6. Step 6: Final answer
    x = 422,150.25

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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.