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Finding the Fourth Proportional to 328,626.10, 453,525.02 and 185,333.86

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Solution

The fourth proportional to 328,626.10, 453,525.02 and 185,333.86 is: 255,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,626.10 : 453,525.02 = 185,333.86 : x
  2. Step 2: Convert to fraction form
    328,626.10/453,525.02 = 185,333.86/x
  3. Step 3: Cross multiply
    328,626.10x = 453,525.02 × 185,333.86
  4. Step 4: Simplify right side
    328,626.10x = 84,053,541,417.10
  5. Step 5: Solve for x
    x = 84,053,541,417.10/328,626.10
  6. Step 6: Final answer
    x = 255,772.57

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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.