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Finding the Fourth Proportional to 965,665.60, 1,448,692.80 and 334,448.80

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Solution

The fourth proportional to 965,665.60, 1,448,692.80 and 334,448.80 is: 501,740.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,665.60 : 1,448,692.80 = 334,448.80 : x
  2. Step 2: Convert to fraction form
    965,665.60/1,448,692.80 = 334,448.80/x
  3. Step 3: Cross multiply
    965,665.60x = 1,448,692.80 × 334,448.80
  4. Step 4: Simplify right side
    965,665.60x = 484,513,568,528.64
  5. Step 5: Solve for x
    x = 484,513,568,528.64/965,665.60
  6. Step 6: Final answer
    x = 501,740.53

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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.