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Finding the Fourth Proportional to 609,733.44, 841,280.16 and 351,689.28

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Solution

The fourth proportional to 609,733.44, 841,280.16 and 351,689.28 is: 485,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,733.44 : 841,280.16 = 351,689.28 : x
  2. Step 2: Convert to fraction form
    609,733.44/841,280.16 = 351,689.28/x
  3. Step 3: Cross multiply
    609,733.44x = 841,280.16 × 351,689.28
  4. Step 4: Simplify right side
    609,733.44x = 295,869,213,748.69
  5. Step 5: Solve for x
    x = 295,869,213,748.69/609,733.44
  6. Step 6: Final answer
    x = 485,243.54

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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.