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Finding the Fourth Proportional to 386,632.36, 533,720.04 and 362,422.24

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Solution

The fourth proportional to 386,632.36, 533,720.04 and 362,422.24 is: 500,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,632.36 : 533,720.04 = 362,422.24 : x
  2. Step 2: Convert to fraction form
    386,632.36/533,720.04 = 362,422.24/x
  3. Step 3: Cross multiply
    386,632.36x = 533,720.04 × 362,422.24
  4. Step 4: Simplify right side
    386,632.36x = 193,432,012,429.69
  5. Step 5: Solve for x
    x = 193,432,012,429.69/386,632.36
  6. Step 6: Final answer
    x = 500,299.59

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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.