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Finding the Fourth Proportional to 475,859.06, 656,842.53 and 425,413.69

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Solution

The fourth proportional to 475,859.06, 656,842.53 and 425,413.69 is: 587,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,859.06 : 656,842.53 = 425,413.69 : x
  2. Step 2: Convert to fraction form
    475,859.06/656,842.53 = 425,413.69/x
  3. Step 3: Cross multiply
    475,859.06x = 656,842.53 × 425,413.69
  4. Step 4: Simplify right side
    475,859.06x = 279,429,801,152.02
  5. Step 5: Solve for x
    x = 279,429,801,152.02/475,859.06
  6. Step 6: Final answer
    x = 587,211.27

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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.