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Finding the Fourth Proportional to 3,792,368.80, 5,680,258.80 and 2,944,266.40

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Solution

The fourth proportional to 3,792,368.80, 5,680,258.80 and 2,944,266.40 is: 4,409,960.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792,368.80 : 5,680,258.80 = 2,944,266.40 : x
  2. Step 2: Convert to fraction form
    3,792,368.80/5,680,258.80 = 2,944,266.40/x
  3. Step 3: Cross multiply
    3,792,368.80x = 5,680,258.80 × 2,944,266.40
  4. Step 4: Simplify right side
    3,792,368.80x = 16,724,195,128,144.32
  5. Step 5: Solve for x
    x = 16,724,195,128,144.32/3,792,368.80
  6. Step 6: Final answer
    x = 4,409,960.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.