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Finding the Fourth Proportional to 328,564.76, 453,381.30 and 185,327.22

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Solution

The fourth proportional to 328,564.76, 453,381.30 and 185,327.22 is: 255,730.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,564.76 : 453,381.30 = 185,327.22 : x
  2. Step 2: Convert to fraction form
    328,564.76/453,381.30 = 185,327.22/x
  3. Step 3: Cross multiply
    328,564.76x = 453,381.30 × 185,327.22
  4. Step 4: Simplify right side
    328,564.76x = 84,023,895,928.99
  5. Step 5: Solve for x
    x = 84,023,895,928.99/328,564.76
  6. Step 6: Final answer
    x = 255,730.09

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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.