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Finding the Fourth Proportional to 374,867.56, 517,304.36 and 213,774.46

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Solution

The fourth proportional to 374,867.56, 517,304.36 and 213,774.46 is: 295,001.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,867.56 : 517,304.36 = 213,774.46 : x
  2. Step 2: Convert to fraction form
    374,867.56/517,304.36 = 213,774.46/x
  3. Step 3: Cross multiply
    374,867.56x = 517,304.36 × 213,774.46
  4. Step 4: Simplify right side
    374,867.56x = 110,586,460,214.65
  5. Step 5: Solve for x
    x = 110,586,460,214.65/374,867.56
  6. Step 6: Final answer
    x = 295,001.41

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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.