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Finding the Fourth Proportional to 443,802.06, 612,413.73 and 252,778.14

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Solution

The fourth proportional to 443,802.06, 612,413.73 and 252,778.14 is: 348,814.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,802.06 : 612,413.73 = 252,778.14 : x
  2. Step 2: Convert to fraction form
    443,802.06/612,413.73 = 252,778.14/x
  3. Step 3: Cross multiply
    443,802.06x = 612,413.73 × 252,778.14
  4. Step 4: Simplify right side
    443,802.06x = 154,804,803,579.86
  5. Step 5: Solve for x
    x = 154,804,803,579.86/443,802.06
  6. Step 6: Final answer
    x = 348,814.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.