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Finding the Fourth Proportional to 329,349.76, 454,496.64 and 186,106.64

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Solution

The fourth proportional to 329,349.76, 454,496.64 and 186,106.64 is: 256,823.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,349.76 : 454,496.64 = 186,106.64 : x
  2. Step 2: Convert to fraction form
    329,349.76/454,496.64 = 186,106.64/x
  3. Step 3: Cross multiply
    329,349.76x = 454,496.64 × 186,106.64
  4. Step 4: Simplify right side
    329,349.76x = 84,584,842,561.69
  5. Step 5: Solve for x
    x = 84,584,842,561.69/329,349.76
  6. Step 6: Final answer
    x = 256,823.76

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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.