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Finding the Fourth Proportional to 524,529.33, 783,807.99 and 393,846.20

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Solution

The fourth proportional to 524,529.33, 783,807.99 and 393,846.20 is: 588,527.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,529.33 : 783,807.99 = 393,846.20 : x
  2. Step 2: Convert to fraction form
    524,529.33/783,807.99 = 393,846.20/x
  3. Step 3: Cross multiply
    524,529.33x = 783,807.99 × 393,846.20
  4. Step 4: Simplify right side
    524,529.33x = 308,699,798,391.14
  5. Step 5: Solve for x
    x = 308,699,798,391.14/524,529.33
  6. Step 6: Final answer
    x = 588,527.24

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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.