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Finding the Fourth Proportional to 522,382.21, 783,529.56 and 369,948.85

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Solution

The fourth proportional to 522,382.21, 783,529.56 and 369,948.85 is: 554,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,382.21 : 783,529.56 = 369,948.85 : x
  2. Step 2: Convert to fraction form
    522,382.21/783,529.56 = 369,948.85/x
  3. Step 3: Cross multiply
    522,382.21x = 783,529.56 × 369,948.85
  4. Step 4: Simplify right side
    522,382.21x = 289,865,857,704.18
  5. Step 5: Solve for x
    x = 289,865,857,704.18/522,382.21
  6. Step 6: Final answer
    x = 554,892.29

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1.5x scale

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.