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Finding the Fourth Proportional to 329,603.63, 454,840.39 and 186,366.67

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Solution

The fourth proportional to 329,603.63, 454,840.39 and 186,366.67 is: 257,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,603.63 : 454,840.39 = 186,366.67 : x
  2. Step 2: Convert to fraction form
    329,603.63/454,840.39 = 186,366.67/x
  3. Step 3: Cross multiply
    329,603.63x = 454,840.39 × 186,366.67
  4. Step 4: Simplify right side
    329,603.63x = 84,767,088,865.80
  5. Step 5: Solve for x
    x = 84,767,088,865.80/329,603.63
  6. Step 6: Final answer
    x = 257,178.87

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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.