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Finding the Fourth Proportional to 540,016.80, 808,858.80 and 446,704.80

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Solution

The fourth proportional to 540,016.80, 808,858.80 and 446,704.80 is: 669,092.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,016.80 : 808,858.80 = 446,704.80 : x
  2. Step 2: Convert to fraction form
    540,016.80/808,858.80 = 446,704.80/x
  3. Step 3: Cross multiply
    540,016.80x = 808,858.80 × 446,704.80
  4. Step 4: Simplify right side
    540,016.80x = 361,321,108,482.24
  5. Step 5: Solve for x
    x = 361,321,108,482.24/540,016.80
  6. Step 6: Final answer
    x = 669,092.35

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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.