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Finding the Fourth Proportional to 701,812.71, 968,501.96 and 379,522.79

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Solution

The fourth proportional to 701,812.71, 968,501.96 and 379,522.79 is: 523,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,812.71 : 968,501.96 = 379,522.79 : x
  2. Step 2: Convert to fraction form
    701,812.71/968,501.96 = 379,522.79/x
  3. Step 3: Cross multiply
    701,812.71x = 968,501.96 × 379,522.79
  4. Step 4: Simplify right side
    701,812.71x = 367,568,565,979.67
  5. Step 5: Solve for x
    x = 367,568,565,979.67/701,812.71
  6. Step 6: Final answer
    x = 523,741.68

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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.