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Finding the Fourth Proportional to 522,046.80, 783,156.60 and 222,670.80

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Solution

The fourth proportional to 522,046.80, 783,156.60 and 222,670.80 is: 334,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,046.80 : 783,156.60 = 222,670.80 : x
  2. Step 2: Convert to fraction form
    522,046.80/783,156.60 = 222,670.80/x
  3. Step 3: Cross multiply
    522,046.80x = 783,156.60 × 222,670.80
  4. Step 4: Simplify right side
    522,046.80x = 174,386,106,647.28
  5. Step 5: Solve for x
    x = 174,386,106,647.28/522,046.80
  6. Step 6: Final answer
    x = 334,043.05

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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.