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Finding the Fourth Proportional to 609,609.78, 841,268.25 and 337,681.85

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Solution

The fourth proportional to 609,609.78, 841,268.25 and 337,681.85 is: 466,004.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,609.78 : 841,268.25 = 337,681.85 : x
  2. Step 2: Convert to fraction form
    609,609.78/841,268.25 = 337,681.85/x
  3. Step 3: Cross multiply
    609,609.78x = 841,268.25 × 337,681.85
  4. Step 4: Simplify right side
    609,609.78x = 284,081,014,799.92
  5. Step 5: Solve for x
    x = 284,081,014,799.92/609,609.78
  6. Step 6: Final answer
    x = 466,004.69

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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.