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Finding the Fourth Proportional to 362,385.36, 543,558.84 and 113,038.80

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Solution

The fourth proportional to 362,385.36, 543,558.84 and 113,038.80 is: 169,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,385.36 : 543,558.84 = 113,038.80 : x
  2. Step 2: Convert to fraction form
    362,385.36/543,558.84 = 113,038.80/x
  3. Step 3: Cross multiply
    362,385.36x = 543,558.84 × 113,038.80
  4. Step 4: Simplify right side
    362,385.36x = 61,443,239,002.99
  5. Step 5: Solve for x
    x = 61,443,239,002.99/362,385.36
  6. Step 6: Final answer
    x = 169,552.21

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1.5x scale

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.