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Finding the Fourth Proportional to 524,532.58, 783,812.84 and 393,849.45

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Solution

The fourth proportional to 524,532.58, 783,812.84 and 393,849.45 is: 588,532.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,532.58 : 783,812.84 = 393,849.45 : x
  2. Step 2: Convert to fraction form
    524,532.58/783,812.84 = 393,849.45/x
  3. Step 3: Cross multiply
    524,532.58x = 783,812.84 × 393,849.45
  4. Step 4: Simplify right side
    524,532.58x = 308,704,253,967.69
  5. Step 5: Solve for x
    x = 308,704,253,967.69/524,532.58
  6. Step 6: Final answer
    x = 588,532.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.