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Finding the Fourth Proportional to 568,221.24, 784,440.10 and 415,087.50

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Solution

The fourth proportional to 568,221.24, 784,440.10 and 415,087.50 is: 573,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,221.24 : 784,440.10 = 415,087.50 : x
  2. Step 2: Convert to fraction form
    568,221.24/784,440.10 = 415,087.50/x
  3. Step 3: Cross multiply
    568,221.24x = 784,440.10 × 415,087.50
  4. Step 4: Simplify right side
    568,221.24x = 325,611,280,008.75
  5. Step 5: Solve for x
    x = 325,611,280,008.75/568,221.24
  6. Step 6: Final answer
    x = 573,036.09

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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.