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Finding the Fourth Proportional to 500,662.72, 750,938.95 and 140,845.01

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Solution

The fourth proportional to 500,662.72, 750,938.95 and 140,845.01 is: 211,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,662.72 : 750,938.95 = 140,845.01 : x
  2. Step 2: Convert to fraction form
    500,662.72/750,938.95 = 140,845.01/x
  3. Step 3: Cross multiply
    500,662.72x = 750,938.95 × 140,845.01
  4. Step 4: Simplify right side
    500,662.72x = 105,766,004,567.53
  5. Step 5: Solve for x
    x = 105,766,004,567.53/500,662.72
  6. Step 6: Final answer
    x = 211,252.01

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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.