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Finding the Fourth Proportional to 543,792.72, 750,413.09 and 302,090.51

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Solution

The fourth proportional to 543,792.72, 750,413.09 and 302,090.51 is: 416,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,792.72 : 750,413.09 = 302,090.51 : x
  2. Step 2: Convert to fraction form
    543,792.72/750,413.09 = 302,090.51/x
  3. Step 3: Cross multiply
    543,792.72x = 750,413.09 × 302,090.51
  4. Step 4: Simplify right side
    543,792.72x = 226,692,675,700.04
  5. Step 5: Solve for x
    x = 226,692,675,700.04/543,792.72
  6. Step 6: Final answer
    x = 416,873.32

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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.