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Finding the Fourth Proportional to 523,574.76, 784,635.49 and 238,568.79

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Solution

The fourth proportional to 523,574.76, 784,635.49 and 238,568.79 is: 357,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,574.76 : 784,635.49 = 238,568.79 : x
  2. Step 2: Convert to fraction form
    523,574.76/784,635.49 = 238,568.79/x
  3. Step 3: Cross multiply
    523,574.76x = 784,635.49 × 238,568.79
  4. Step 4: Simplify right side
    523,574.76x = 187,189,539,440.36
  5. Step 5: Solve for x
    x = 187,189,539,440.36/523,574.76
  6. Step 6: Final answer
    x = 357,522.08

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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.