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Finding the Fourth Proportional to 537,772.40, 806,658.60 and 222,455.60

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Solution

The fourth proportional to 537,772.40, 806,658.60 and 222,455.60 is: 333,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,772.40 : 806,658.60 = 222,455.60 : x
  2. Step 2: Convert to fraction form
    537,772.40/806,658.60 = 222,455.60/x
  3. Step 3: Cross multiply
    537,772.40x = 806,658.60 × 222,455.60
  4. Step 4: Simplify right side
    537,772.40x = 179,445,722,858.16
  5. Step 5: Solve for x
    x = 179,445,722,858.16/537,772.40
  6. Step 6: Final answer
    x = 333,683.40

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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.