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Finding the Fourth Proportional to 621,969.23, 932,879.82 and 365,954.92

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Solution

The fourth proportional to 621,969.23, 932,879.82 and 365,954.92 is: 548,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,969.23 : 932,879.82 = 365,954.92 : x
  2. Step 2: Convert to fraction form
    621,969.23/932,879.82 = 365,954.92/x
  3. Step 3: Cross multiply
    621,969.23x = 932,879.82 × 365,954.92
  4. Step 4: Simplify right side
    621,969.23x = 341,391,959,897.71
  5. Step 5: Solve for x
    x = 341,391,959,897.71/621,969.23
  6. Step 6: Final answer
    x = 548,888.83

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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.