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Finding the Fourth Proportional to 536,891.62, 740,910.90 and 295,178.32

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Solution

The fourth proportional to 536,891.62, 740,910.90 and 295,178.32 is: 407,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,891.62 : 740,910.90 = 295,178.32 : x
  2. Step 2: Convert to fraction form
    536,891.62/740,910.90 = 295,178.32/x
  3. Step 3: Cross multiply
    536,891.62x = 740,910.90 × 295,178.32
  4. Step 4: Simplify right side
    536,891.62x = 218,700,834,731.69
  5. Step 5: Solve for x
    x = 218,700,834,731.69/536,891.62
  6. Step 6: Final answer
    x = 407,346.34

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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.