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Finding the Fourth Proportional to 702,016.22, 968,782.50 and 379,726.22

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Solution

The fourth proportional to 702,016.22, 968,782.50 and 379,726.22 is: 524,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,016.22 : 968,782.50 = 379,726.22 : x
  2. Step 2: Convert to fraction form
    702,016.22/968,782.50 = 379,726.22/x
  3. Step 3: Cross multiply
    702,016.22x = 968,782.50 × 379,726.22
  4. Step 4: Simplify right side
    702,016.22x = 367,872,116,727.15
  5. Step 5: Solve for x
    x = 367,872,116,727.15/702,016.22
  6. Step 6: Final answer
    x = 524,022.25

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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.