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Finding the Fourth Proportional to 562,283.27, 775,143.83 and 400,858.07

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Solution

The fourth proportional to 562,283.27, 775,143.83 and 400,858.07 is: 552,608.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,283.27 : 775,143.83 = 400,858.07 : x
  2. Step 2: Convert to fraction form
    562,283.27/775,143.83 = 400,858.07/x
  3. Step 3: Cross multiply
    562,283.27x = 775,143.83 × 400,858.07
  4. Step 4: Simplify right side
    562,283.27x = 310,722,654,537.81
  5. Step 5: Solve for x
    x = 310,722,654,537.81/562,283.27
  6. Step 6: Final answer
    x = 552,608.75

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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.