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Finding the Fourth Proportional to 354,210.66, 488,796.39 and 193,062.24

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Solution

The fourth proportional to 354,210.66, 488,796.39 and 193,062.24 is: 266,418.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,210.66 : 488,796.39 = 193,062.24 : x
  2. Step 2: Convert to fraction form
    354,210.66/488,796.39 = 193,062.24/x
  3. Step 3: Cross multiply
    354,210.66x = 488,796.39 × 193,062.24
  4. Step 4: Simplify right side
    354,210.66x = 94,368,125,957.31
  5. Step 5: Solve for x
    x = 94,368,125,957.31/354,210.66
  6. Step 6: Final answer
    x = 266,418.09

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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.