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Finding the Fourth Proportional to 373,071.40, 559,736.70 and 162,860.20

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Solution

The fourth proportional to 373,071.40, 559,736.70 and 162,860.20 is: 244,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,071.40 : 559,736.70 = 162,860.20 : x
  2. Step 2: Convert to fraction form
    373,071.40/559,736.70 = 162,860.20/x
  3. Step 3: Cross multiply
    373,071.40x = 559,736.70 × 162,860.20
  4. Step 4: Simplify right side
    373,071.40x = 91,158,830,909.34
  5. Step 5: Solve for x
    x = 91,158,830,909.34/373,071.40
  6. Step 6: Final answer
    x = 244,346.88

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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.