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Finding the Fourth Proportional to 434,407.44, 599,498.48 and 243,413.76

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Solution

The fourth proportional to 434,407.44, 599,498.48 and 243,413.76 is: 335,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,407.44 : 599,498.48 = 243,413.76 : x
  2. Step 2: Convert to fraction form
    434,407.44/599,498.48 = 243,413.76/x
  3. Step 3: Cross multiply
    434,407.44x = 599,498.48 × 243,413.76
  4. Step 4: Simplify right side
    434,407.44x = 145,926,179,131.09
  5. Step 5: Solve for x
    x = 145,926,179,131.09/434,407.44
  6. Step 6: Final answer
    x = 335,920.07

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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.