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Finding the Fourth Proportional to 662,703.20, 994,087.60 and 189,458.24

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Solution

The fourth proportional to 662,703.20, 994,087.60 and 189,458.24 is: 284,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,703.20 : 994,087.60 = 189,458.24 : x
  2. Step 2: Convert to fraction form
    662,703.20/994,087.60 = 189,458.24/x
  3. Step 3: Cross multiply
    662,703.20x = 994,087.60 × 189,458.24
  4. Step 4: Simplify right side
    662,703.20x = 188,338,087,101.82
  5. Step 5: Solve for x
    x = 188,338,087,101.82/662,703.20
  6. Step 6: Final answer
    x = 284,196.74

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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.