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Finding the Fourth Proportional to 354,164.83, 488,753.49 and 193,028.72

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Solution

The fourth proportional to 354,164.83, 488,753.49 and 193,028.72 is: 266,382.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,164.83 : 488,753.49 = 193,028.72 : x
  2. Step 2: Convert to fraction form
    354,164.83/488,753.49 = 193,028.72/x
  3. Step 3: Cross multiply
    354,164.83x = 488,753.49 × 193,028.72
  4. Step 4: Simplify right side
    354,164.83x = 94,343,461,599.56
  5. Step 5: Solve for x
    x = 94,343,461,599.56/354,164.83
  6. Step 6: Final answer
    x = 266,382.92

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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.