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Finding the Fourth Proportional to 522,033.70, 783,123.45 and 222,511.90

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Solution

The fourth proportional to 522,033.70, 783,123.45 and 222,511.90 is: 333,798.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,033.70 : 783,123.45 = 222,511.90 : x
  2. Step 2: Convert to fraction form
    522,033.70/783,123.45 = 222,511.90/x
  3. Step 3: Cross multiply
    522,033.70x = 783,123.45 × 222,511.90
  4. Step 4: Simplify right side
    522,033.70x = 174,254,286,794.06
  5. Step 5: Solve for x
    x = 174,254,286,794.06/522,033.70
  6. Step 6: Final answer
    x = 333,798.92

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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.