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Finding the Fourth Proportional to 302,083.70, 453,125.55 and 202,550.90

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Solution

The fourth proportional to 302,083.70, 453,125.55 and 202,550.90 is: 303,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,083.70 : 453,125.55 = 202,550.90 : x
  2. Step 2: Convert to fraction form
    302,083.70/453,125.55 = 202,550.90/x
  3. Step 3: Cross multiply
    302,083.70x = 453,125.55 × 202,550.90
  4. Step 4: Simplify right side
    302,083.70x = 91,780,987,965.50
  5. Step 5: Solve for x
    x = 91,780,987,965.50/302,083.70
  6. Step 6: Final answer
    x = 303,826.35

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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.