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Finding the Fourth Proportional to 340,955.04, 470,521.65 and 187,993.53

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Solution

The fourth proportional to 340,955.04, 470,521.65 and 187,993.53 is: 259,433.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,955.04 : 470,521.65 = 187,993.53 : x
  2. Step 2: Convert to fraction form
    340,955.04/470,521.65 = 187,993.53/x
  3. Step 3: Cross multiply
    340,955.04x = 470,521.65 × 187,993.53
  4. Step 4: Simplify right side
    340,955.04x = 88,455,026,629.90
  5. Step 5: Solve for x
    x = 88,455,026,629.90/340,955.04
  6. Step 6: Final answer
    x = 259,433.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.