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Finding the Fourth Proportional to 329,617.62, 454,881.24 and 186,399

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Solution

The fourth proportional to 329,617.62, 454,881.24 and 186,399 is: 257,235.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,617.62 : 454,881.24 = 186,399 : x
  2. Step 2: Convert to fraction form
    329,617.62/454,881.24 = 186,399/x
  3. Step 3: Cross multiply
    329,617.62x = 454,881.24 × 186,399
  4. Step 4: Simplify right side
    329,617.62x = 84,789,408,254.76
  5. Step 5: Solve for x
    x = 84,789,408,254.76/329,617.62
  6. Step 6: Final answer
    x = 257,235.67

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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.