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Finding the Fourth Proportional to 701,767.24, 968,444.56 and 387,449.16

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Solution

The fourth proportional to 701,767.24, 968,444.56 and 387,449.16 is: 534,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,767.24 : 968,444.56 = 387,449.16 : x
  2. Step 2: Convert to fraction form
    701,767.24/968,444.56 = 387,449.16/x
  3. Step 3: Cross multiply
    701,767.24x = 968,444.56 × 387,449.16
  4. Step 4: Simplify right side
    701,767.24x = 375,223,031,278.57
  5. Step 5: Solve for x
    x = 375,223,031,278.57/701,767.24
  6. Step 6: Final answer
    x = 534,683.03

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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.