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Finding the Fourth Proportional to 329,518.61, 454,755.29 and 186,291.98

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Solution

The fourth proportional to 329,518.61, 454,755.29 and 186,291.98 is: 257,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,518.61 : 454,755.29 = 186,291.98 : x
  2. Step 2: Convert to fraction form
    329,518.61/454,755.29 = 186,291.98/x
  3. Step 3: Cross multiply
    329,518.61x = 454,755.29 × 186,291.98
  4. Step 4: Simplify right side
    329,518.61x = 84,717,260,184.34
  5. Step 5: Solve for x
    x = 84,717,260,184.34/329,518.61
  6. Step 6: Final answer
    x = 257,094.01

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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.