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Finding the Fourth Proportional to 356,561.76, 492,059 and 195,413.24

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Solution

The fourth proportional to 356,561.76, 492,059 and 195,413.24 is: 269,672.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,561.76 : 492,059 = 195,413.24 : x
  2. Step 2: Convert to fraction form
    356,561.76/492,059 = 195,413.24/x
  3. Step 3: Cross multiply
    356,561.76x = 492,059 × 195,413.24
  4. Step 4: Simplify right side
    356,561.76x = 96,154,843,461.16
  5. Step 5: Solve for x
    x = 96,154,843,461.16/356,561.76
  6. Step 6: Final answer
    x = 269,672.34

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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.