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Finding the Fourth Proportional to 611,649.07, 844,052.38 and 339,734.41

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Solution

The fourth proportional to 611,649.07, 844,052.38 and 339,734.41 is: 468,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,649.07 : 844,052.38 = 339,734.41 : x
  2. Step 2: Convert to fraction form
    611,649.07/844,052.38 = 339,734.41/x
  3. Step 3: Cross multiply
    611,649.07x = 844,052.38 × 339,734.41
  4. Step 4: Simplify right side
    611,649.07x = 286,753,637,328.40
  5. Step 5: Solve for x
    x = 286,753,637,328.40/611,649.07
  6. Step 6: Final answer
    x = 468,820.52

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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.