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Finding the Fourth Proportional to 684,224.69, 944,213.76 and 382,446.77

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Solution

The fourth proportional to 684,224.69, 944,213.76 and 382,446.77 is: 527,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,224.69 : 944,213.76 = 382,446.77 : x
  2. Step 2: Convert to fraction form
    684,224.69/944,213.76 = 382,446.77/x
  3. Step 3: Cross multiply
    684,224.69x = 944,213.76 × 382,446.77
  4. Step 4: Simplify right side
    684,224.69x = 361,111,502,701.56
  5. Step 5: Solve for x
    x = 361,111,502,701.56/684,224.69
  6. Step 6: Final answer
    x = 527,767.42

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Double scale
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Similar ratio
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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.