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Finding the Fourth Proportional to 303,200.55, 425,102.85 and 303,200.55

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Solution

The fourth proportional to 303,200.55, 425,102.85 and 303,200.55 is: 425,102.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,200.55 : 425,102.85 = 303,200.55 : x
  2. Step 2: Convert to fraction form
    303,200.55/425,102.85 = 303,200.55/x
  3. Step 3: Cross multiply
    303,200.55x = 425,102.85 × 303,200.55
  4. Step 4: Simplify right side
    303,200.55x = 128,891,417,926.57
  5. Step 5: Solve for x
    x = 128,891,417,926.57/303,200.55
  6. Step 6: Final answer
    x = 425,102.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.