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Finding the Fourth Proportional to 888,502.80, 1,332,365.40 and 355,846.80

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Solution

The fourth proportional to 888,502.80, 1,332,365.40 and 355,846.80 is: 533,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,502.80 : 1,332,365.40 = 355,846.80 : x
  2. Step 2: Convert to fraction form
    888,502.80/1,332,365.40 = 355,846.80/x
  3. Step 3: Cross multiply
    888,502.80x = 1,332,365.40 × 355,846.80
  4. Step 4: Simplify right side
    888,502.80x = 474,117,964,020.72
  5. Step 5: Solve for x
    x = 474,117,964,020.72/888,502.80
  6. Step 6: Final answer
    x = 533,614.48

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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.