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Finding the Fourth Proportional to 888,559.80, 1,332,450.90 and 355,903.80

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Solution

The fourth proportional to 888,559.80, 1,332,450.90 and 355,903.80 is: 533,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,559.80 : 1,332,450.90 = 355,903.80 : x
  2. Step 2: Convert to fraction form
    888,559.80/1,332,450.90 = 355,903.80/x
  3. Step 3: Cross multiply
    888,559.80x = 1,332,450.90 × 355,903.80
  4. Step 4: Simplify right side
    888,559.80x = 474,224,338,623.42
  5. Step 5: Solve for x
    x = 474,224,338,623.42/888,559.80
  6. Step 6: Final answer
    x = 533,699.97

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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.