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Finding the Fourth Proportional to 352,810.95, 486,881.09 and 191,666.37

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Solution

The fourth proportional to 352,810.95, 486,881.09 and 191,666.37 is: 264,500.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,810.95 : 486,881.09 = 191,666.37 : x
  2. Step 2: Convert to fraction form
    352,810.95/486,881.09 = 191,666.37/x
  3. Step 3: Cross multiply
    352,810.95x = 486,881.09 × 191,666.37
  4. Step 4: Simplify right side
    352,810.95x = 93,318,732,728.16
  5. Step 5: Solve for x
    x = 93,318,732,728.16/352,810.95
  6. Step 6: Final answer
    x = 264,500.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.