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Finding the Fourth Proportional to 532,042.92, 734,196.42 and 290,319.48

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Solution

The fourth proportional to 532,042.92, 734,196.42 and 290,319.48 is: 400,628.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,042.92 : 734,196.42 = 290,319.48 : x
  2. Step 2: Convert to fraction form
    532,042.92/734,196.42 = 290,319.48/x
  3. Step 3: Cross multiply
    532,042.92x = 734,196.42 × 290,319.48
  4. Step 4: Simplify right side
    532,042.92x = 213,151,522,872.26
  5. Step 5: Solve for x
    x = 213,151,522,872.26/532,042.92
  6. Step 6: Final answer
    x = 400,628.44

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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.