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Finding the Fourth Proportional to 523,570.75, 784,629.50 and 238,564.78

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Solution

The fourth proportional to 523,570.75, 784,629.50 and 238,564.78 is: 357,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,570.75 : 784,629.50 = 238,564.78 : x
  2. Step 2: Convert to fraction form
    523,570.75/784,629.50 = 238,564.78/x
  3. Step 3: Cross multiply
    523,570.75x = 784,629.50 × 238,564.78
  4. Step 4: Simplify right side
    523,570.75x = 187,184,960,894.61
  5. Step 5: Solve for x
    x = 187,184,960,894.61/523,570.75
  6. Step 6: Final answer
    x = 357,516.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.