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Finding the Fourth Proportional to 384,759.16, 577,200.77 and 118,519.42

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Solution

The fourth proportional to 384,759.16, 577,200.77 and 118,519.42 is: 177,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,759.16 : 577,200.77 = 118,519.42 : x
  2. Step 2: Convert to fraction form
    384,759.16/577,200.77 = 118,519.42/x
  3. Step 3: Cross multiply
    384,759.16x = 577,200.77 × 118,519.42
  4. Step 4: Simplify right side
    384,759.16x = 68,409,500,483.95
  5. Step 5: Solve for x
    x = 68,409,500,483.95/384,759.16
  6. Step 6: Final answer
    x = 177,798.24

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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.