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Finding the Fourth Proportional to 340,773.52, 470,270.55 and 187,817.17

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Solution

The fourth proportional to 340,773.52, 470,270.55 and 187,817.17 is: 259,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,773.52 : 470,270.55 = 187,817.17 : x
  2. Step 2: Convert to fraction form
    340,773.52/470,270.55 = 187,817.17/x
  3. Step 3: Cross multiply
    340,773.52x = 470,270.55 × 187,817.17
  4. Step 4: Simplify right side
    340,773.52x = 88,324,883,835.34
  5. Step 5: Solve for x
    x = 88,324,883,835.34/340,773.52
  6. Step 6: Final answer
    x = 259,189.40

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1.5x scale

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.