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Finding the Fourth Proportional to 378,060.80, 566,630.40 and 167,475.20

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Solution

The fourth proportional to 378,060.80, 566,630.40 and 167,475.20 is: 251,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,060.80 : 566,630.40 = 167,475.20 : x
  2. Step 2: Convert to fraction form
    378,060.80/566,630.40 = 167,475.20/x
  3. Step 3: Cross multiply
    378,060.80x = 566,630.40 × 167,475.20
  4. Step 4: Simplify right side
    378,060.80x = 94,896,539,566.08
  5. Step 5: Solve for x
    x = 94,896,539,566.08/378,060.80
  6. Step 6: Final answer
    x = 251,008.67

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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.