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Finding the Fourth Proportional to 340,892.34, 470,435.05 and 187,936.00

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Solution

The fourth proportional to 340,892.34, 470,435.05 and 187,936.00 is: 259,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,892.34 : 470,435.05 = 187,936.00 : x
  2. Step 2: Convert to fraction form
    340,892.34/470,435.05 = 187,936.00/x
  3. Step 3: Cross multiply
    340,892.34x = 470,435.05 × 187,936.00
  4. Step 4: Simplify right side
    340,892.34x = 88,411,681,476.45
  5. Step 5: Solve for x
    x = 88,411,681,476.45/340,892.34
  6. Step 6: Final answer
    x = 259,353.68

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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.