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Finding the Fourth Proportional to 717,028.96, 987,365.82 and 701,116.48

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Solution

The fourth proportional to 717,028.96, 987,365.82 and 701,116.48 is: 965,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,028.96 : 987,365.82 = 701,116.48 : x
  2. Step 2: Convert to fraction form
    717,028.96/987,365.82 = 701,116.48/x
  3. Step 3: Cross multiply
    717,028.96x = 987,365.82 × 701,116.48
  4. Step 4: Simplify right side
    717,028.96x = 692,258,448,190.71
  5. Step 5: Solve for x
    x = 692,258,448,190.71/717,028.96
  6. Step 6: Final answer
    x = 965,453.96

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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.