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Finding the Fourth Proportional to 357,783.03, 493,534.99 and 223,413.75

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Solution

The fourth proportional to 357,783.03, 493,534.99 and 223,413.75 is: 308,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,783.03 : 493,534.99 = 223,413.75 : x
  2. Step 2: Convert to fraction form
    357,783.03/493,534.99 = 223,413.75/x
  3. Step 3: Cross multiply
    357,783.03x = 493,534.99 × 223,413.75
  4. Step 4: Simplify right side
    357,783.03x = 110,262,503,151.38
  5. Step 5: Solve for x
    x = 110,262,503,151.38/357,783.03
  6. Step 6: Final answer
    x = 308,182.60

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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.