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Finding the Fourth Proportional to 696,504.62, 960,769.15 and 437,972.40

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Solution

The fourth proportional to 696,504.62, 960,769.15 and 437,972.40 is: 604,145.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,504.62 : 960,769.15 = 437,972.40 : x
  2. Step 2: Convert to fraction form
    696,504.62/960,769.15 = 437,972.40/x
  3. Step 3: Cross multiply
    696,504.62x = 960,769.15 × 437,972.40
  4. Step 4: Simplify right side
    696,504.62x = 420,790,363,477.75
  5. Step 5: Solve for x
    x = 420,790,363,477.75/696,504.62
  6. Step 6: Final answer
    x = 604,145.84

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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.