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Finding the Fourth Proportional to 522,069.30, 783,190.35 and 222,693.30

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Solution

The fourth proportional to 522,069.30, 783,190.35 and 222,693.30 is: 334,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,069.30 : 783,190.35 = 222,693.30 : x
  2. Step 2: Convert to fraction form
    522,069.30/783,190.35 = 222,693.30/x
  3. Step 3: Cross multiply
    522,069.30x = 783,190.35 × 222,693.30
  4. Step 4: Simplify right side
    522,069.30x = 174,411,243,569.66
  5. Step 5: Solve for x
    x = 174,411,243,569.66/522,069.30
  6. Step 6: Final answer
    x = 334,076.80

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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.