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Finding the Fourth Proportional to 328,565.86, 453,420.57 and 177,662.50

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Solution

The fourth proportional to 328,565.86, 453,420.57 and 177,662.50 is: 245,174.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,565.86 : 453,420.57 = 177,662.50 : x
  2. Step 2: Convert to fraction form
    328,565.86/453,420.57 = 177,662.50/x
  3. Step 3: Cross multiply
    328,565.86x = 453,420.57 × 177,662.50
  4. Step 4: Simplify right side
    328,565.86x = 80,555,832,017.63
  5. Step 5: Solve for x
    x = 80,555,832,017.63/328,565.86
  6. Step 6: Final answer
    x = 245,174.08

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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.