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Finding the Fourth Proportional to 362,323.80, 543,615.30 and 152,026.20

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Solution

The fourth proportional to 362,323.80, 543,615.30 and 152,026.20 is: 228,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,323.80 : 543,615.30 = 152,026.20 : x
  2. Step 2: Convert to fraction form
    362,323.80/543,615.30 = 152,026.20/x
  3. Step 3: Cross multiply
    362,323.80x = 543,615.30 × 152,026.20
  4. Step 4: Simplify right side
    362,323.80x = 82,643,768,320.86
  5. Step 5: Solve for x
    x = 82,643,768,320.86/362,323.80
  6. Step 6: Final answer
    x = 228,093.68

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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.