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Finding the Fourth Proportional to 340,893.59, 470,461.14 and 187,945.74

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Solution

The fourth proportional to 340,893.59, 470,461.14 and 187,945.74 is: 259,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,893.59 : 470,461.14 = 187,945.74 : x
  2. Step 2: Convert to fraction form
    340,893.59/470,461.14 = 187,945.74/x
  3. Step 3: Cross multiply
    340,893.59x = 470,461.14 × 187,945.74
  4. Step 4: Simplify right side
    340,893.59x = 88,421,167,098.54
  5. Step 5: Solve for x
    x = 88,421,167,098.54/340,893.59
  6. Step 6: Final answer
    x = 259,380.55

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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.