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Finding the Fourth Proportional to 385,597.72, 532,023.96 and 222,214.24

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Solution

The fourth proportional to 385,597.72, 532,023.96 and 222,214.24 is: 306,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,597.72 : 532,023.96 = 222,214.24 : x
  2. Step 2: Convert to fraction form
    385,597.72/532,023.96 = 222,214.24/x
  3. Step 3: Cross multiply
    385,597.72x = 532,023.96 × 222,214.24
  4. Step 4: Simplify right side
    385,597.72x = 118,223,299,933.19
  5. Step 5: Solve for x
    x = 118,223,299,933.19/385,597.72
  6. Step 6: Final answer
    x = 306,597.51

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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.