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Finding the Fourth Proportional to 888,563.80, 1,332,456.90 and 355,907.80

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Solution

The fourth proportional to 888,563.80, 1,332,456.90 and 355,907.80 is: 533,705.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,563.80 : 1,332,456.90 = 355,907.80 : x
  2. Step 2: Convert to fraction form
    888,563.80/1,332,456.90 = 355,907.80/x
  3. Step 3: Cross multiply
    888,563.80x = 1,332,456.90 × 355,907.80
  4. Step 4: Simplify right side
    888,563.80x = 474,231,803,873.82
  5. Step 5: Solve for x
    x = 474,231,803,873.82/888,563.80
  6. Step 6: Final answer
    x = 533,705.97

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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.