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Finding the Fourth Proportional to 366,265.05, 549,233.55 and 141,550.80

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Solution

The fourth proportional to 366,265.05, 549,233.55 and 141,550.80 is: 212,262.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,265.05 : 549,233.55 = 141,550.80 : x
  2. Step 2: Convert to fraction form
    366,265.05/549,233.55 = 141,550.80/x
  3. Step 3: Cross multiply
    366,265.05x = 549,233.55 × 141,550.80
  4. Step 4: Simplify right side
    366,265.05x = 77,744,448,389.34
  5. Step 5: Solve for x
    x = 77,744,448,389.34/366,265.05
  6. Step 6: Final answer
    x = 212,262.81

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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.