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Finding the Fourth Proportional to 965,900.20, 1,447,683.90 and 492,341.80

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Solution

The fourth proportional to 965,900.20, 1,447,683.90 and 492,341.80 is: 737,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,900.20 : 1,447,683.90 = 492,341.80 : x
  2. Step 2: Convert to fraction form
    965,900.20/1,447,683.90 = 492,341.80/x
  3. Step 3: Cross multiply
    965,900.20x = 1,447,683.90 × 492,341.80
  4. Step 4: Simplify right side
    965,900.20x = 712,755,297,157.02
  5. Step 5: Solve for x
    x = 712,755,297,157.02/965,900.20
  6. Step 6: Final answer
    x = 737,918.16

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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.