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Finding the Fourth Proportional to 403,957.06, 557,460.60 and 222,672.00

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Solution

The fourth proportional to 403,957.06, 557,460.60 and 222,672.00 is: 307,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,957.06 : 557,460.60 = 222,672.00 : x
  2. Step 2: Convert to fraction form
    403,957.06/557,460.60 = 222,672.00/x
  3. Step 3: Cross multiply
    403,957.06x = 557,460.60 × 222,672.00
  4. Step 4: Simplify right side
    403,957.06x = 124,130,867,978.66
  5. Step 5: Solve for x
    x = 124,130,867,978.66/403,957.06
  6. Step 6: Final answer
    x = 307,287.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.