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Finding the Fourth Proportional to 647,552.92, 894,187.02 and 406,250.32

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Solution

The fourth proportional to 647,552.92, 894,187.02 and 406,250.32 is: 560,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,552.92 : 894,187.02 = 406,250.32 : x
  2. Step 2: Convert to fraction form
    647,552.92/894,187.02 = 406,250.32/x
  3. Step 3: Cross multiply
    647,552.92x = 894,187.02 × 406,250.32
  4. Step 4: Simplify right side
    647,552.92x = 363,263,763,014.85
  5. Step 5: Solve for x
    x = 363,263,763,014.85/647,552.92
  6. Step 6: Final answer
    x = 560,979.27

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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.