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Finding the Fourth Proportional to 615,099.88, 848,839.02 and 343,160.92

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Solution

The fourth proportional to 615,099.88, 848,839.02 and 343,160.92 is: 473,562.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,099.88 : 848,839.02 = 343,160.92 : x
  2. Step 2: Convert to fraction form
    615,099.88/848,839.02 = 343,160.92/x
  3. Step 3: Cross multiply
    615,099.88x = 848,839.02 × 343,160.92
  4. Step 4: Simplify right side
    615,099.88x = 291,288,379,035.10
  5. Step 5: Solve for x
    x = 291,288,379,035.10/615,099.88
  6. Step 6: Final answer
    x = 473,562.73

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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.