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Finding the Fourth Proportional to 363,646.36, 545,555.40 and 114,328.36

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Solution

The fourth proportional to 363,646.36, 545,555.40 and 114,328.36 is: 171,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,646.36 : 545,555.40 = 114,328.36 : x
  2. Step 2: Convert to fraction form
    363,646.36/545,555.40 = 114,328.36/x
  3. Step 3: Cross multiply
    363,646.36x = 545,555.40 × 114,328.36
  4. Step 4: Simplify right side
    363,646.36x = 62,372,452,807.26
  5. Step 5: Solve for x
    x = 62,372,452,807.26/363,646.36
  6. Step 6: Final answer
    x = 171,519.53

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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.