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Finding the Fourth Proportional to 560,527.86, 773,544.90 and 305,895.48

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Solution

The fourth proportional to 560,527.86, 773,544.90 and 305,895.48 is: 422,144.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,527.86 : 773,544.90 = 305,895.48 : x
  2. Step 2: Convert to fraction form
    560,527.86/773,544.90 = 305,895.48/x
  3. Step 3: Cross multiply
    560,527.86x = 773,544.90 × 305,895.48
  4. Step 4: Simplify right side
    560,527.86x = 236,623,888,487.05
  5. Step 5: Solve for x
    x = 236,623,888,487.05/560,527.86
  6. Step 6: Final answer
    x = 422,144.74

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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.