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Finding the Fourth Proportional to 696,504.69, 960,769.25 and 437,972.47

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Solution

The fourth proportional to 696,504.69, 960,769.25 and 437,972.47 is: 604,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,504.69 : 960,769.25 = 437,972.47 : x
  2. Step 2: Convert to fraction form
    696,504.69/960,769.25 = 437,972.47/x
  3. Step 3: Cross multiply
    696,504.69x = 960,769.25 × 437,972.47
  4. Step 4: Simplify right side
    696,504.69x = 420,790,481,522.55
  5. Step 5: Solve for x
    x = 420,790,481,522.55/696,504.69
  6. Step 6: Final answer
    x = 604,145.94

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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.