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Finding the Fourth Proportional to 552,183.18, 761,540.67 and 380,375.34

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Solution

The fourth proportional to 552,183.18, 761,540.67 and 380,375.34 is: 524,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,183.18 : 761,540.67 = 380,375.34 : x
  2. Step 2: Convert to fraction form
    552,183.18/761,540.67 = 380,375.34/x
  3. Step 3: Cross multiply
    552,183.18x = 761,540.67 × 380,375.34
  4. Step 4: Simplify right side
    552,183.18x = 289,671,291,275.08
  5. Step 5: Solve for x
    x = 289,671,291,275.08/552,183.18
  6. Step 6: Final answer
    x = 524,592.75

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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.