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Finding the Fourth Proportional to 347,657.67, 521,486.51 and 189,800.01

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Solution

The fourth proportional to 347,657.67, 521,486.51 and 189,800.01 is: 284,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,657.67 : 521,486.51 = 189,800.01 : x
  2. Step 2: Convert to fraction form
    347,657.67/521,486.51 = 189,800.01/x
  3. Step 3: Cross multiply
    347,657.67x = 521,486.51 × 189,800.01
  4. Step 4: Simplify right side
    347,657.67x = 98,978,143,863.87
  5. Step 5: Solve for x
    x = 98,978,143,863.87/347,657.67
  6. Step 6: Final answer
    x = 284,700.02

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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.