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Finding the Fourth Proportional to 366,038.10, 548,328.15 and 322,200.90

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Solution

The fourth proportional to 366,038.10, 548,328.15 and 322,200.90 is: 482,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,038.10 : 548,328.15 = 322,200.90 : x
  2. Step 2: Convert to fraction form
    366,038.10/548,328.15 = 322,200.90/x
  3. Step 3: Cross multiply
    366,038.10x = 548,328.15 × 322,200.90
  4. Step 4: Simplify right side
    366,038.10x = 176,671,823,425.34
  5. Step 5: Solve for x
    x = 176,671,823,425.34/366,038.10
  6. Step 6: Final answer
    x = 482,659.66

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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.