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Finding the Fourth Proportional to 329,341.21, 454,484.95 and 186,098.16

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Solution

The fourth proportional to 329,341.21, 454,484.95 and 186,098.16 is: 256,812.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,341.21 : 454,484.95 = 186,098.16 : x
  2. Step 2: Convert to fraction form
    329,341.21/454,484.95 = 186,098.16/x
  3. Step 3: Cross multiply
    329,341.21x = 454,484.95 × 186,098.16
  4. Step 4: Simplify right side
    329,341.21x = 84,578,812,942.69
  5. Step 5: Solve for x
    x = 84,578,812,942.69/329,341.21
  6. Step 6: Final answer
    x = 256,812.12

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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.