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Finding the Fourth Proportional to 791,304, 1,186,601.28 and 471,606.72

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Solution

The fourth proportional to 791,304, 1,186,601.28 and 471,606.72 is: 707,198.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,304 : 1,186,601.28 = 471,606.72 : x
  2. Step 2: Convert to fraction form
    791,304/1,186,601.28 = 471,606.72/x
  3. Step 3: Cross multiply
    791,304x = 1,186,601.28 × 471,606.72
  4. Step 4: Simplify right side
    791,304x = 559,609,137,608.60
  5. Step 5: Solve for x
    x = 559,609,137,608.60/791,304
  6. Step 6: Final answer
    x = 707,198.67

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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.