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Finding the Fourth Proportional to 543,792.98, 750,413.44 and 302,090.76

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Solution

The fourth proportional to 543,792.98, 750,413.44 and 302,090.76 is: 416,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,792.98 : 750,413.44 = 302,090.76 : x
  2. Step 2: Convert to fraction form
    543,792.98/750,413.44 = 302,090.76/x
  3. Step 3: Cross multiply
    543,792.98x = 750,413.44 × 302,090.76
  4. Step 4: Simplify right side
    543,792.98x = 226,692,967,524.62
  5. Step 5: Solve for x
    x = 226,692,967,524.62/543,792.98
  6. Step 6: Final answer
    x = 416,873.66

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1.5x scale

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.