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Finding the Fourth Proportional to 504,505.85, 695,789.73 and 426,306.92

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Solution

The fourth proportional to 504,505.85, 695,789.73 and 426,306.92 is: 587,941.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,505.85 : 695,789.73 = 426,306.92 : x
  2. Step 2: Convert to fraction form
    504,505.85/695,789.73 = 426,306.92/x
  3. Step 3: Cross multiply
    504,505.85x = 695,789.73 × 426,306.92
  4. Step 4: Simplify right side
    504,505.85x = 296,619,973,284.98
  5. Step 5: Solve for x
    x = 296,619,973,284.98/504,505.85
  6. Step 6: Final answer
    x = 587,941.60

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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.