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Finding the Fourth Proportional to 434,691.08, 651,910.22 and 168,392.20

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Solution

The fourth proportional to 434,691.08, 651,910.22 and 168,392.20 is: 252,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,691.08 : 651,910.22 = 168,392.20 : x
  2. Step 2: Convert to fraction form
    434,691.08/651,910.22 = 168,392.20/x
  3. Step 3: Cross multiply
    434,691.08x = 651,910.22 × 168,392.20
  4. Step 4: Simplify right side
    434,691.08x = 109,776,596,148.28
  5. Step 5: Solve for x
    x = 109,776,596,148.28/434,691.08
  6. Step 6: Final answer
    x = 252,539.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.