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Finding the Fourth Proportional to 328,531.32, 453,372.99 and 185,291.01

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Solution

The fourth proportional to 328,531.32, 453,372.99 and 185,291.01 is: 255,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,531.32 : 453,372.99 = 185,291.01 : x
  2. Step 2: Convert to fraction form
    328,531.32/453,372.99 = 185,291.01/x
  3. Step 3: Cross multiply
    328,531.32x = 453,372.99 × 185,291.01
  4. Step 4: Simplify right side
    328,531.32x = 84,005,939,223.82
  5. Step 5: Solve for x
    x = 84,005,939,223.82/328,531.32
  6. Step 6: Final answer
    x = 255,701.46

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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.