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Finding the Fourth Proportional to 307,710.57, 461,602.71 and 94,450.55

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Solution

The fourth proportional to 307,710.57, 461,602.71 and 94,450.55 is: 141,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,710.57 : 461,602.71 = 94,450.55 : x
  2. Step 2: Convert to fraction form
    307,710.57/461,602.71 = 94,450.55/x
  3. Step 3: Cross multiply
    307,710.57x = 461,602.71 × 94,450.55
  4. Step 4: Simplify right side
    307,710.57x = 43,598,629,368.74
  5. Step 5: Solve for x
    x = 43,598,629,368.74/307,710.57
  6. Step 6: Final answer
    x = 141,687.14

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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.