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Finding the Fourth Proportional to 362,581.20, 544,066.20 and 152,240.40

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Solution

The fourth proportional to 362,581.20, 544,066.20 and 152,240.40 is: 228,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,581.20 : 544,066.20 = 152,240.40 : x
  2. Step 2: Convert to fraction form
    362,581.20/544,066.20 = 152,240.40/x
  3. Step 3: Cross multiply
    362,581.20x = 544,066.20 × 152,240.40
  4. Step 4: Simplify right side
    362,581.20x = 82,828,855,914.48
  5. Step 5: Solve for x
    x = 82,828,855,914.48/362,581.20
  6. Step 6: Final answer
    x = 228,442.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.