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Finding the Fourth Proportional to 325,545.15, 488,153.70 and 192,466.20

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Solution

The fourth proportional to 325,545.15, 488,153.70 and 192,466.20 is: 288,602.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,545.15 : 488,153.70 = 192,466.20 : x
  2. Step 2: Convert to fraction form
    325,545.15/488,153.70 = 192,466.20/x
  3. Step 3: Cross multiply
    325,545.15x = 488,153.70 × 192,466.20
  4. Step 4: Simplify right side
    325,545.15x = 93,953,087,654.94
  5. Step 5: Solve for x
    x = 93,953,087,654.94/325,545.15
  6. Step 6: Final answer
    x = 288,602.33

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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.