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Finding the Fourth Proportional to 593,413.76, 890,266.32 and 172,693.28

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Solution

The fourth proportional to 593,413.76, 890,266.32 and 172,693.28 is: 259,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,413.76 : 890,266.32 = 172,693.28 : x
  2. Step 2: Convert to fraction form
    593,413.76/890,266.32 = 172,693.28/x
  3. Step 3: Cross multiply
    593,413.76x = 890,266.32 × 172,693.28
  4. Step 4: Simplify right side
    593,413.76x = 153,743,010,874.33
  5. Step 5: Solve for x
    x = 153,743,010,874.33/593,413.76
  6. Step 6: Final answer
    x = 259,082.32

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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.