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Finding the Fourth Proportional to 355,512.60, 533,268.90 and 222,802.20

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Solution

The fourth proportional to 355,512.60, 533,268.90 and 222,802.20 is: 334,203.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,512.60 : 533,268.90 = 222,802.20 : x
  2. Step 2: Convert to fraction form
    355,512.60/533,268.90 = 222,802.20/x
  3. Step 3: Cross multiply
    355,512.60x = 533,268.90 × 222,802.20
  4. Step 4: Simplify right side
    355,512.60x = 118,813,484,111.58
  5. Step 5: Solve for x
    x = 118,813,484,111.58/355,512.60
  6. Step 6: Final answer
    x = 334,203.30

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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.