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Finding the Fourth Proportional to 424,843.53, 586,215.46 and 243,522.09

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Solution

The fourth proportional to 424,843.53, 586,215.46 and 243,522.09 is: 336,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,843.53 : 586,215.46 = 243,522.09 : x
  2. Step 2: Convert to fraction form
    424,843.53/586,215.46 = 243,522.09/x
  3. Step 3: Cross multiply
    424,843.53x = 586,215.46 × 243,522.09
  4. Step 4: Simplify right side
    424,843.53x = 142,756,414,009.51
  5. Step 5: Solve for x
    x = 142,756,414,009.51/424,843.53
  6. Step 6: Final answer
    x = 336,021.16

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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.