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Finding the Fourth Proportional to 362,712.42, 500,555.30 and 201,574.26

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Solution

The fourth proportional to 362,712.42, 500,555.30 and 201,574.26 is: 278,179.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,712.42 : 500,555.30 = 201,574.26 : x
  2. Step 2: Convert to fraction form
    362,712.42/500,555.30 = 201,574.26/x
  3. Step 3: Cross multiply
    362,712.42x = 500,555.30 × 201,574.26
  4. Step 4: Simplify right side
    362,712.42x = 100,899,063,178.71
  5. Step 5: Solve for x
    x = 100,899,063,178.71/362,712.42
  6. Step 6: Final answer
    x = 278,179.23

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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.