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Finding the Fourth Proportional to 358,939.56, 538,275.27 and 119,009.46

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Solution

The fourth proportional to 358,939.56, 538,275.27 and 119,009.46 is: 178,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,939.56 : 538,275.27 = 119,009.46 : x
  2. Step 2: Convert to fraction form
    358,939.56/538,275.27 = 119,009.46/x
  3. Step 3: Cross multiply
    358,939.56x = 538,275.27 × 119,009.46
  4. Step 4: Simplify right side
    358,939.56x = 64,059,849,214.05
  5. Step 5: Solve for x
    x = 64,059,849,214.05/358,939.56
  6. Step 6: Final answer
    x = 178,469.74

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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.