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Finding the Fourth Proportional to 434,170.68, 599,148.54 and 243,183.48

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Solution

The fourth proportional to 434,170.68, 599,148.54 and 243,183.48 is: 335,589.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,170.68 : 599,148.54 = 243,183.48 : x
  2. Step 2: Convert to fraction form
    434,170.68/599,148.54 = 243,183.48/x
  3. Step 3: Cross multiply
    434,170.68x = 599,148.54 × 243,183.48
  4. Step 4: Simplify right side
    434,170.68x = 145,703,026,994.12
  5. Step 5: Solve for x
    x = 145,703,026,994.12/434,170.68
  6. Step 6: Final answer
    x = 335,589.28

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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.