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Finding the Fourth Proportional to 517,270.11, 775,905.60 and 247,334.73

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Solution

The fourth proportional to 517,270.11, 775,905.60 and 247,334.73 is: 371,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,270.11 : 775,905.60 = 247,334.73 : x
  2. Step 2: Convert to fraction form
    517,270.11/775,905.60 = 247,334.73/x
  3. Step 3: Cross multiply
    517,270.11x = 775,905.60 × 247,334.73
  4. Step 4: Simplify right side
    517,270.11x = 191,908,402,081.49
  5. Step 5: Solve for x
    x = 191,908,402,081.49/517,270.11
  6. Step 6: Final answer
    x = 371,002.30

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1.5x scale

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.