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Finding the Fourth Proportional to 336,509.76, 464,416.26 and 185,606.76

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Solution

The fourth proportional to 336,509.76, 464,416.26 and 185,606.76 is: 256,155.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,509.76 : 464,416.26 = 185,606.76 : x
  2. Step 2: Convert to fraction form
    336,509.76/464,416.26 = 185,606.76/x
  3. Step 3: Cross multiply
    336,509.76x = 464,416.26 × 185,606.76
  4. Step 4: Simplify right side
    336,509.76x = 86,198,797,309.92
  5. Step 5: Solve for x
    x = 86,198,797,309.92/336,509.76
  6. Step 6: Final answer
    x = 256,155.42

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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.