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Finding the Fourth Proportional to 567,496.08, 783,086.40 and 325,720.80

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Solution

The fourth proportional to 567,496.08, 783,086.40 and 325,720.80 is: 449,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,496.08 : 783,086.40 = 325,720.80 : x
  2. Step 2: Convert to fraction form
    567,496.08/783,086.40 = 325,720.80/x
  3. Step 3: Cross multiply
    567,496.08x = 783,086.40 × 325,720.80
  4. Step 4: Simplify right side
    567,496.08x = 255,067,528,677.12
  5. Step 5: Solve for x
    x = 255,067,528,677.12/567,496.08
  6. Step 6: Final answer
    x = 449,461.30

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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.