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Finding the Fourth Proportional to 301,069.20, 451,603.80 and 201,277.20

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Solution

The fourth proportional to 301,069.20, 451,603.80 and 201,277.20 is: 301,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,069.20 : 451,603.80 = 201,277.20 : x
  2. Step 2: Convert to fraction form
    301,069.20/451,603.80 = 201,277.20/x
  3. Step 3: Cross multiply
    301,069.20x = 451,603.80 × 201,277.20
  4. Step 4: Simplify right side
    301,069.20x = 90,897,548,373.36
  5. Step 5: Solve for x
    x = 90,897,548,373.36/301,069.20
  6. Step 6: Final answer
    x = 301,915.80

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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.