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Finding the Fourth Proportional to 367,764, 551,646.03 and 118,446

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Solution

The fourth proportional to 367,764, 551,646.03 and 118,446 is: 177,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,764 : 551,646.03 = 118,446 : x
  2. Step 2: Convert to fraction form
    367,764/551,646.03 = 118,446/x
  3. Step 3: Cross multiply
    367,764x = 551,646.03 × 118,446
  4. Step 4: Simplify right side
    367,764x = 65,340,265,669.38
  5. Step 5: Solve for x
    x = 65,340,265,669.38/367,764
  6. Step 6: Final answer
    x = 177,669.01

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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.