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Finding the Fourth Proportional to 567,743.11, 783,459.14 and 325,855.44

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Solution

The fourth proportional to 567,743.11, 783,459.14 and 325,855.44 is: 449,665.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,743.11 : 783,459.14 = 325,855.44 : x
  2. Step 2: Convert to fraction form
    567,743.11/783,459.14 = 325,855.44/x
  3. Step 3: Cross multiply
    567,743.11x = 783,459.14 × 325,855.44
  4. Step 4: Simplify right side
    567,743.11x = 255,294,421,157.44
  5. Step 5: Solve for x
    x = 255,294,421,157.44/567,743.11
  6. Step 6: Final answer
    x = 449,665.38

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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.