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Finding the Fourth Proportional to 528,070.30, 792,105.45 and 154,044.70

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Solution

The fourth proportional to 528,070.30, 792,105.45 and 154,044.70 is: 231,067.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,070.30 : 792,105.45 = 154,044.70 : x
  2. Step 2: Convert to fraction form
    528,070.30/792,105.45 = 154,044.70/x
  3. Step 3: Cross multiply
    528,070.30x = 792,105.45 × 154,044.70
  4. Step 4: Simplify right side
    528,070.30x = 122,019,646,413.62
  5. Step 5: Solve for x
    x = 122,019,646,413.62/528,070.30
  6. Step 6: Final answer
    x = 231,067.05

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Similar ratio
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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.