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Finding the Fourth Proportional to 343,926, 474,617.88 and 193,023

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Solution

The fourth proportional to 343,926, 474,617.88 and 193,023 is: 266,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,926 : 474,617.88 = 193,023 : x
  2. Step 2: Convert to fraction form
    343,926/474,617.88 = 193,023/x
  3. Step 3: Cross multiply
    343,926x = 474,617.88 × 193,023
  4. Step 4: Simplify right side
    343,926x = 91,612,167,051.24
  5. Step 5: Solve for x
    x = 91,612,167,051.24/343,926
  6. Step 6: Final answer
    x = 266,371.74

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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.