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Finding the Fourth Proportional to 362,351.13, 500,090.70 and 219,112.20

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Solution

The fourth proportional to 362,351.13, 500,090.70 and 219,112.20 is: 302,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,351.13 : 500,090.70 = 219,112.20 : x
  2. Step 2: Convert to fraction form
    362,351.13/500,090.70 = 219,112.20/x
  3. Step 3: Cross multiply
    362,351.13x = 500,090.70 × 219,112.20
  4. Step 4: Simplify right side
    362,351.13x = 109,575,973,476.54
  5. Step 5: Solve for x
    x = 109,575,973,476.54/362,351.13
  6. Step 6: Final answer
    x = 302,402.74

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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.