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Finding the Fourth Proportional to 327,160.48, 490,740.88 and 102,538.40

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Solution

The fourth proportional to 327,160.48, 490,740.88 and 102,538.40 is: 153,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,160.48 : 490,740.88 = 102,538.40 : x
  2. Step 2: Convert to fraction form
    327,160.48/490,740.88 = 102,538.40/x
  3. Step 3: Cross multiply
    327,160.48x = 490,740.88 × 102,538.40
  4. Step 4: Simplify right side
    327,160.48x = 50,319,784,649.79
  5. Step 5: Solve for x
    x = 50,319,784,649.79/327,160.48
  6. Step 6: Final answer
    x = 153,807.65

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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.