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Finding the Fourth Proportional to 508,489.89, 701,451.12 and 301,637.96

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Solution

The fourth proportional to 508,489.89, 701,451.12 and 301,637.96 is: 416,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,489.89 : 701,451.12 = 301,637.96 : x
  2. Step 2: Convert to fraction form
    508,489.89/701,451.12 = 301,637.96/x
  3. Step 3: Cross multiply
    508,489.89x = 701,451.12 × 301,637.96
  4. Step 4: Simplify right side
    508,489.89x = 211,584,282,585.77
  5. Step 5: Solve for x
    x = 211,584,282,585.77/508,489.89
  6. Step 6: Final answer
    x = 416,103.23

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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.