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Finding the Fourth Proportional to 565,575.85, 780,448.26 and 332,965.86

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Solution

The fourth proportional to 565,575.85, 780,448.26 and 332,965.86 is: 459,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,575.85 : 780,448.26 = 332,965.86 : x
  2. Step 2: Convert to fraction form
    565,575.85/780,448.26 = 332,965.86/x
  3. Step 3: Cross multiply
    565,575.85x = 780,448.26 × 332,965.86
  4. Step 4: Simplify right side
    565,575.85x = 259,862,626,076.40
  5. Step 5: Solve for x
    x = 259,862,626,076.40/565,575.85
  6. Step 6: Final answer
    x = 459,465.56

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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.