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Finding the Fourth Proportional to 418,204.89, 577,103.94 and 236,913.12

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Solution

The fourth proportional to 418,204.89, 577,103.94 and 236,913.12 is: 326,929.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,204.89 : 577,103.94 = 236,913.12 : x
  2. Step 2: Convert to fraction form
    418,204.89/577,103.94 = 236,913.12/x
  3. Step 3: Cross multiply
    418,204.89x = 577,103.94 × 236,913.12
  4. Step 4: Simplify right side
    418,204.89x = 136,723,494,989.69
  5. Step 5: Solve for x
    x = 136,723,494,989.69/418,204.89
  6. Step 6: Final answer
    x = 326,929.45

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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.