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Finding the Fourth Proportional to 363,767.40, 545,651.10 and 349,770.60

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Solution

The fourth proportional to 363,767.40, 545,651.10 and 349,770.60 is: 524,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,767.40 : 545,651.10 = 349,770.60 : x
  2. Step 2: Convert to fraction form
    363,767.40/545,651.10 = 349,770.60/x
  3. Step 3: Cross multiply
    363,767.40x = 545,651.10 × 349,770.60
  4. Step 4: Simplify right side
    363,767.40x = 190,852,712,637.66
  5. Step 5: Solve for x
    x = 190,852,712,637.66/363,767.40
  6. Step 6: Final answer
    x = 524,655.90

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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.