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Finding the Fourth Proportional to 609,678.32, 841,347.20 and 337,745.76

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Solution

The fourth proportional to 609,678.32, 841,347.20 and 337,745.76 is: 466,084.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,678.32 : 841,347.20 = 337,745.76 : x
  2. Step 2: Convert to fraction form
    609,678.32/841,347.20 = 337,745.76/x
  3. Step 3: Cross multiply
    609,678.32x = 841,347.20 × 337,745.76
  4. Step 4: Simplify right side
    609,678.32x = 284,161,449,487.87
  5. Step 5: Solve for x
    x = 284,161,449,487.87/609,678.32
  6. Step 6: Final answer
    x = 466,084.23

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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.