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Finding the Fourth Proportional to 342,484.52, 513,716.18 and 162,699.36

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Solution

The fourth proportional to 342,484.52, 513,716.18 and 162,699.36 is: 244,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,484.52 : 513,716.18 = 162,699.36 : x
  2. Step 2: Convert to fraction form
    342,484.52/513,716.18 = 162,699.36/x
  3. Step 3: Cross multiply
    342,484.52x = 513,716.18 × 162,699.36
  4. Step 4: Simplify right side
    342,484.52x = 83,581,292,894.15
  5. Step 5: Solve for x
    x = 83,581,292,894.15/342,484.52
  6. Step 6: Final answer
    x = 244,044.01

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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.