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Finding the Fourth Proportional to 328,511.64, 453,346.02 and 177,608.64

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Solution

The fourth proportional to 328,511.64, 453,346.02 and 177,608.64 is: 245,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,511.64 : 453,346.02 = 177,608.64 : x
  2. Step 2: Convert to fraction form
    328,511.64/453,346.02 = 177,608.64/x
  3. Step 3: Cross multiply
    328,511.64x = 453,346.02 × 177,608.64
  4. Step 4: Simplify right side
    328,511.64x = 80,518,170,061.61
  5. Step 5: Solve for x
    x = 80,518,170,061.61/328,511.64
  6. Step 6: Final answer
    x = 245,099.90

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1.5x scale

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.