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Finding the Fourth Proportional to 444,866.80, 668,855.40 and 435,535.60

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Solution

The fourth proportional to 444,866.80, 668,855.40 and 435,535.60 is: 654,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,866.80 : 668,855.40 = 435,535.60 : x
  2. Step 2: Convert to fraction form
    444,866.80/668,855.40 = 435,535.60/x
  3. Step 3: Cross multiply
    444,866.80x = 668,855.40 × 435,535.60
  4. Step 4: Simplify right side
    444,866.80x = 291,310,337,952.24
  5. Step 5: Solve for x
    x = 291,310,337,952.24/444,866.80
  6. Step 6: Final answer
    x = 654,825.98

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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.