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Finding the Fourth Proportional to 567,712, 783,406.80 and 325,824.33

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Solution

The fourth proportional to 567,712, 783,406.80 and 325,824.33 is: 449,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,712 : 783,406.80 = 325,824.33 : x
  2. Step 2: Convert to fraction form
    567,712/783,406.80 = 325,824.33/x
  3. Step 3: Cross multiply
    567,712x = 783,406.80 × 325,824.33
  4. Step 4: Simplify right side
    567,712x = 255,252,995,727.44
  5. Step 5: Solve for x
    x = 255,252,995,727.44/567,712
  6. Step 6: Final answer
    x = 449,617.05

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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.