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Finding the Fourth Proportional to 609,031.09, 840,441.45 and 337,099.51

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Solution

The fourth proportional to 609,031.09, 840,441.45 and 337,099.51 is: 465,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,031.09 : 840,441.45 = 337,099.51 : x
  2. Step 2: Convert to fraction form
    609,031.09/840,441.45 = 337,099.51/x
  3. Step 3: Cross multiply
    609,031.09x = 840,441.45 × 337,099.51
  4. Step 4: Simplify right side
    609,031.09x = 283,312,400,978.69
  5. Step 5: Solve for x
    x = 283,312,400,978.69/609,031.09
  6. Step 6: Final answer
    x = 465,185.45

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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.