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Finding the Fourth Proportional to 534,998.80, 801,331.80 and 441,686.80

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Solution

The fourth proportional to 534,998.80, 801,331.80 and 441,686.80 is: 661,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,998.80 : 801,331.80 = 441,686.80 : x
  2. Step 2: Convert to fraction form
    534,998.80/801,331.80 = 441,686.80/x
  3. Step 3: Cross multiply
    534,998.80x = 801,331.80 × 441,686.80
  4. Step 4: Simplify right side
    534,998.80x = 353,937,678,480.24
  5. Step 5: Solve for x
    x = 353,937,678,480.24/534,998.80
  6. Step 6: Final answer
    x = 661,567.24

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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.