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Finding the Fourth Proportional to 384,952.02, 577,504.77 and 118,700.97

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Solution

The fourth proportional to 384,952.02, 577,504.77 and 118,700.97 is: 178,075.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,952.02 : 577,504.77 = 118,700.97 : x
  2. Step 2: Convert to fraction form
    384,952.02/577,504.77 = 118,700.97/x
  3. Step 3: Cross multiply
    384,952.02x = 577,504.77 × 118,700.97
  4. Step 4: Simplify right side
    384,952.02x = 68,550,376,378.63
  5. Step 5: Solve for x
    x = 68,550,376,378.63/384,952.02
  6. Step 6: Final answer
    x = 178,075.12

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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.