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Finding the Fourth Proportional to 481,368.32, 722,119.44 and 200,821.04

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Solution

The fourth proportional to 481,368.32, 722,119.44 and 200,821.04 is: 301,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,368.32 : 722,119.44 = 200,821.04 : x
  2. Step 2: Convert to fraction form
    481,368.32/722,119.44 = 200,821.04/x
  3. Step 3: Cross multiply
    481,368.32x = 722,119.44 × 200,821.04
  4. Step 4: Simplify right side
    481,368.32x = 145,016,776,945.02
  5. Step 5: Solve for x
    x = 145,016,776,945.02/481,368.32
  6. Step 6: Final answer
    x = 301,259.49

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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.