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Finding the Fourth Proportional to 474,279.84, 711,420.96 and 193,797.10

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Solution

The fourth proportional to 474,279.84, 711,420.96 and 193,797.10 is: 290,696.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,279.84 : 711,420.96 = 193,797.10 : x
  2. Step 2: Convert to fraction form
    474,279.84/711,420.96 = 193,797.10/x
  3. Step 3: Cross multiply
    474,279.84x = 711,420.96 × 193,797.10
  4. Step 4: Simplify right side
    474,279.84x = 137,871,318,927.22
  5. Step 5: Solve for x
    x = 137,871,318,927.22/474,279.84
  6. Step 6: Final answer
    x = 290,696.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.