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Finding the Fourth Proportional to 223,735.40, 335,603.10 and 215,133.80

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Solution

The fourth proportional to 223,735.40, 335,603.10 and 215,133.80 is: 322,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,735.40 : 335,603.10 = 215,133.80 : x
  2. Step 2: Convert to fraction form
    223,735.40/335,603.10 = 215,133.80/x
  3. Step 3: Cross multiply
    223,735.40x = 335,603.10 × 215,133.80
  4. Step 4: Simplify right side
    223,735.40x = 72,199,570,194.78
  5. Step 5: Solve for x
    x = 72,199,570,194.78/223,735.40
  6. Step 6: Final answer
    x = 322,700.70

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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.