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Finding the Fourth Proportional to 701,763.64, 968,434.86 and 379,473.75

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Solution

The fourth proportional to 701,763.64, 968,434.86 and 379,473.75 is: 523,674.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,763.64 : 968,434.86 = 379,473.75 : x
  2. Step 2: Convert to fraction form
    701,763.64/968,434.86 = 379,473.75/x
  3. Step 3: Cross multiply
    701,763.64x = 968,434.86 × 379,473.75
  4. Step 4: Simplify right side
    701,763.64x = 367,495,607,954.93
  5. Step 5: Solve for x
    x = 367,495,607,954.93/701,763.64
  6. Step 6: Final answer
    x = 523,674.34

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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.