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Finding the Fourth Proportional to 360,392.76, 540,617.76 and 107,654.67

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Solution

The fourth proportional to 360,392.76, 540,617.76 and 107,654.67 is: 161,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,392.76 : 540,617.76 = 107,654.67 : x
  2. Step 2: Convert to fraction form
    360,392.76/540,617.76 = 107,654.67/x
  3. Step 3: Cross multiply
    360,392.76x = 540,617.76 × 107,654.67
  4. Step 4: Simplify right side
    360,392.76x = 58,200,026,548.94
  5. Step 5: Solve for x
    x = 58,200,026,548.94/360,392.76
  6. Step 6: Final answer
    x = 161,490.55

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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.