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Finding the Fourth Proportional to 344,591.51, 516,549.79 and 192,862.67

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Solution

The fourth proportional to 344,591.51, 516,549.79 and 192,862.67 is: 289,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,591.51 : 516,549.79 = 192,862.67 : x
  2. Step 2: Convert to fraction form
    344,591.51/516,549.79 = 192,862.67/x
  3. Step 3: Cross multiply
    344,591.51x = 516,549.79 × 192,862.67
  4. Step 4: Simplify right side
    344,591.51x = 99,623,169,345.67
  5. Step 5: Solve for x
    x = 99,623,169,345.67/344,591.51
  6. Step 6: Final answer
    x = 289,105.12

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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.