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Finding the Fourth Proportional to 569,148.21, 785,413.67 and 314,493.93

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Solution

The fourth proportional to 569,148.21, 785,413.67 and 314,493.93 is: 433,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,148.21 : 785,413.67 = 314,493.93 : x
  2. Step 2: Convert to fraction form
    569,148.21/785,413.67 = 314,493.93/x
  3. Step 3: Cross multiply
    569,148.21x = 785,413.67 × 314,493.93
  4. Step 4: Simplify right side
    569,148.21x = 247,007,830,181.55
  5. Step 5: Solve for x
    x = 247,007,830,181.55/569,148.21
  6. Step 6: Final answer
    x = 433,995.62

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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.