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Finding the Fourth Proportional to 475,511.45, 656,272.92 and 294,281.73

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Solution

The fourth proportional to 475,511.45, 656,272.92 and 294,281.73 is: 406,150.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,511.45 : 656,272.92 = 294,281.73 : x
  2. Step 2: Convert to fraction form
    475,511.45/656,272.92 = 294,281.73/x
  3. Step 3: Cross multiply
    475,511.45x = 656,272.92 × 294,281.73
  4. Step 4: Simplify right side
    475,511.45x = 193,129,130,249.75
  5. Step 5: Solve for x
    x = 193,129,130,249.75/475,511.45
  6. Step 6: Final answer
    x = 406,150.33

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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.