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Finding the Fourth Proportional to 424,043.10, 585,280.89 and 242,859.87

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Solution

The fourth proportional to 424,043.10, 585,280.89 and 242,859.87 is: 335,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,043.10 : 585,280.89 = 242,859.87 : x
  2. Step 2: Convert to fraction form
    424,043.10/585,280.89 = 242,859.87/x
  3. Step 3: Cross multiply
    424,043.10x = 585,280.89 × 242,859.87
  4. Step 4: Simplify right side
    424,043.10x = 142,141,240,858.88
  5. Step 5: Solve for x
    x = 142,141,240,858.88/424,043.10
  6. Step 6: Final answer
    x = 335,204.70

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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.