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Finding the Fourth Proportional to 347,670.60, 521,505.90 and 223,254.60

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Solution

The fourth proportional to 347,670.60, 521,505.90 and 223,254.60 is: 334,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,670.60 : 521,505.90 = 223,254.60 : x
  2. Step 2: Convert to fraction form
    347,670.60/521,505.90 = 223,254.60/x
  3. Step 3: Cross multiply
    347,670.60x = 521,505.90 × 223,254.60
  4. Step 4: Simplify right side
    347,670.60x = 116,428,591,102.14
  5. Step 5: Solve for x
    x = 116,428,591,102.14/347,670.60
  6. Step 6: Final answer
    x = 334,881.90

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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.