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Finding the Fourth Proportional to 373,051.40, 559,706.70 and 162,840.20

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Solution

The fourth proportional to 373,051.40, 559,706.70 and 162,840.20 is: 244,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,051.40 : 559,706.70 = 162,840.20 : x
  2. Step 2: Convert to fraction form
    373,051.40/559,706.70 = 162,840.20/x
  3. Step 3: Cross multiply
    373,051.40x = 559,706.70 × 162,840.20
  4. Step 4: Simplify right side
    373,051.40x = 91,142,750,969.34
  5. Step 5: Solve for x
    x = 91,142,750,969.34/373,051.40
  6. Step 6: Final answer
    x = 244,316.87

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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.