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Finding the Fourth Proportional to 328,397.32, 453,188.91 and 185,157.01

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Solution

The fourth proportional to 328,397.32, 453,188.91 and 185,157.01 is: 255,517.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,397.32 : 453,188.91 = 185,157.01 : x
  2. Step 2: Convert to fraction form
    328,397.32/453,188.91 = 185,157.01/x
  3. Step 3: Cross multiply
    328,397.32x = 453,188.91 × 185,157.01
  4. Step 4: Simplify right side
    328,397.32x = 83,911,103,540.76
  5. Step 5: Solve for x
    x = 83,911,103,540.76/328,397.32
  6. Step 6: Final answer
    x = 255,517.02

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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.