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Finding the Fourth Proportional to 400,436.92, 552,592.02 and 247,413.88

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Solution

The fourth proportional to 400,436.92, 552,592.02 and 247,413.88 is: 341,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,436.92 : 552,592.02 = 247,413.88 : x
  2. Step 2: Convert to fraction form
    400,436.92/552,592.02 = 247,413.88/x
  3. Step 3: Cross multiply
    400,436.92x = 552,592.02 × 247,413.88
  4. Step 4: Simplify right side
    400,436.92x = 136,718,935,725.24
  5. Step 5: Solve for x
    x = 136,718,935,725.24/400,436.92
  6. Step 6: Final answer
    x = 341,424.40

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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.