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Finding the Fourth Proportional to 501,825.40, 752,154.90 and 202,157.80

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Solution

The fourth proportional to 501,825.40, 752,154.90 and 202,157.80 is: 303,001.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,825.40 : 752,154.90 = 202,157.80 : x
  2. Step 2: Convert to fraction form
    501,825.40/752,154.90 = 202,157.80/x
  3. Step 3: Cross multiply
    501,825.40x = 752,154.90 × 202,157.80
  4. Step 4: Simplify right side
    501,825.40x = 152,053,979,843.22
  5. Step 5: Solve for x
    x = 152,053,979,843.22/501,825.40
  6. Step 6: Final answer
    x = 303,001.76

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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.