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Finding the Fourth Proportional to 384,504.02, 576,854.51 and 118,266.87

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Solution

The fourth proportional to 384,504.02, 576,854.51 and 118,266.87 is: 177,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,504.02 : 576,854.51 = 118,266.87 : x
  2. Step 2: Convert to fraction form
    384,504.02/576,854.51 = 118,266.87/x
  3. Step 3: Cross multiply
    384,504.02x = 576,854.51 × 118,266.87
  4. Step 4: Simplify right side
    384,504.02x = 68,222,776,751.75
  5. Step 5: Solve for x
    x = 68,222,776,751.75/384,504.02
  6. Step 6: Final answer
    x = 177,430.60

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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.