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Finding the Fourth Proportional to 347,698.01, 479,768.45 and 202,527.69

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Solution

The fourth proportional to 347,698.01, 479,768.45 and 202,527.69 is: 279,456.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,698.01 : 479,768.45 = 202,527.69 : x
  2. Step 2: Convert to fraction form
    347,698.01/479,768.45 = 202,527.69/x
  3. Step 3: Cross multiply
    347,698.01x = 479,768.45 × 202,527.69
  4. Step 4: Simplify right side
    347,698.01x = 97,166,394,900.74
  5. Step 5: Solve for x
    x = 97,166,394,900.74/347,698.01
  6. Step 6: Final answer
    x = 279,456.29

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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.