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Finding the Fourth Proportional to 424,687.19, 586,093.59 and 243,410.78

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Solution

The fourth proportional to 424,687.19, 586,093.59 and 243,410.78 is: 335,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,687.19 : 586,093.59 = 243,410.78 : x
  2. Step 2: Convert to fraction form
    424,687.19/586,093.59 = 243,410.78/x
  3. Step 3: Cross multiply
    424,687.19x = 586,093.59 × 243,410.78
  4. Step 4: Simplify right side
    424,687.19x = 142,661,499,360.13
  5. Step 5: Solve for x
    x = 142,661,499,360.13/424,687.19
  6. Step 6: Final answer
    x = 335,921.37

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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.