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Finding the Fourth Proportional to 673,102.69, 929,224.50 and 519,796.69

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Solution

The fourth proportional to 673,102.69, 929,224.50 and 519,796.69 is: 717,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,102.69 : 929,224.50 = 519,796.69 : x
  2. Step 2: Convert to fraction form
    673,102.69/929,224.50 = 519,796.69/x
  3. Step 3: Cross multiply
    673,102.69x = 929,224.50 × 519,796.69
  4. Step 4: Simplify right side
    673,102.69x = 483,007,819,366.91
  5. Step 5: Solve for x
    x = 483,007,819,366.91/673,102.69
  6. Step 6: Final answer
    x = 717,584.15

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Double scale
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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.