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Finding the Fourth Proportional to 229,298.01, 342,402.97 and 187,261.54

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Solution

The fourth proportional to 229,298.01, 342,402.97 and 187,261.54 is: 279,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,298.01 : 342,402.97 = 187,261.54 : x
  2. Step 2: Convert to fraction form
    229,298.01/342,402.97 = 187,261.54/x
  3. Step 3: Cross multiply
    229,298.01x = 342,402.97 × 187,261.54
  4. Step 4: Simplify right side
    229,298.01x = 64,118,907,422.62
  5. Step 5: Solve for x
    x = 64,118,907,422.62/229,298.01
  6. Step 6: Final answer
    x = 279,631.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.