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Finding the Fourth Proportional to 424,449, 585,822.81 and 243,282.36

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Solution

The fourth proportional to 424,449, 585,822.81 and 243,282.36 is: 335,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,449 : 585,822.81 = 243,282.36 : x
  2. Step 2: Convert to fraction form
    424,449/585,822.81 = 243,282.36/x
  3. Step 3: Cross multiply
    424,449x = 585,822.81 × 243,282.36
  4. Step 4: Simplify right side
    424,449x = 142,520,355,758.63
  5. Step 5: Solve for x
    x = 142,520,355,758.63/424,449
  6. Step 6: Final answer
    x = 335,777.34

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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.