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Finding the Fourth Proportional to 343,892.16, 474,605.28 and 192,989.76

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Solution

The fourth proportional to 343,892.16, 474,605.28 and 192,989.76 is: 266,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,892.16 : 474,605.28 = 192,989.76 : x
  2. Step 2: Convert to fraction form
    343,892.16/474,605.28 = 192,989.76/x
  3. Step 3: Cross multiply
    343,892.16x = 474,605.28 × 192,989.76
  4. Step 4: Simplify right side
    343,892.16x = 91,593,959,081.93
  5. Step 5: Solve for x
    x = 91,593,959,081.93/343,892.16
  6. Step 6: Final answer
    x = 266,345.01

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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.