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Finding the Fourth Proportional to 424,387.66, 585,656.60 and 233,413.06

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Solution

The fourth proportional to 424,387.66, 585,656.60 and 233,413.06 is: 322,110.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,387.66 : 585,656.60 = 233,413.06 : x
  2. Step 2: Convert to fraction form
    424,387.66/585,656.60 = 233,413.06/x
  3. Step 3: Cross multiply
    424,387.66x = 585,656.60 × 233,413.06
  4. Step 4: Simplify right side
    424,387.66x = 136,699,899,115.20
  5. Step 5: Solve for x
    x = 136,699,899,115.20/424,387.66
  6. Step 6: Final answer
    x = 322,110.92

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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.