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Finding the Fourth Proportional to 343,873.16, 474,579.06 and 192,970.76

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Solution

The fourth proportional to 343,873.16, 474,579.06 and 192,970.76 is: 266,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,873.16 : 474,579.06 = 192,970.76 : x
  2. Step 2: Convert to fraction form
    343,873.16/474,579.06 = 192,970.76/x
  3. Step 3: Cross multiply
    343,873.16x = 474,579.06 × 192,970.76
  4. Step 4: Simplify right side
    343,873.16x = 91,579,881,888.29
  5. Step 5: Solve for x
    x = 91,579,881,888.29/343,873.16
  6. Step 6: Final answer
    x = 266,318.78

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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.