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Finding the Fourth Proportional to 474,313.23, 654,368.49 and 302,200.56

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Solution

The fourth proportional to 474,313.23, 654,368.49 and 302,200.56 is: 416,919.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,313.23 : 654,368.49 = 302,200.56 : x
  2. Step 2: Convert to fraction form
    474,313.23/654,368.49 = 302,200.56/x
  3. Step 3: Cross multiply
    474,313.23x = 654,368.49 × 302,200.56
  4. Step 4: Simplify right side
    474,313.23x = 197,750,524,124.35
  5. Step 5: Solve for x
    x = 197,750,524,124.35/474,313.23
  6. Step 6: Final answer
    x = 416,919.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.