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Finding the Fourth Proportional to 328,562.22, 493,062.03 and 178,840.20

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Solution

The fourth proportional to 328,562.22, 493,062.03 and 178,840.20 is: 268,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,562.22 : 493,062.03 = 178,840.20 : x
  2. Step 2: Convert to fraction form
    328,562.22/493,062.03 = 178,840.20/x
  3. Step 3: Cross multiply
    328,562.22x = 493,062.03 × 178,840.20
  4. Step 4: Simplify right side
    328,562.22x = 88,179,312,057.61
  5. Step 5: Solve for x
    x = 88,179,312,057.61/328,562.22
  6. Step 6: Final answer
    x = 268,379.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.