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Finding the Fourth Proportional to 1,792,729.92, 2,473,895.25 and 976,916.10

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Solution

The fourth proportional to 1,792,729.92, 2,473,895.25 and 976,916.10 is: 1,348,104.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,729.92 : 2,473,895.25 = 976,916.10 : x
  2. Step 2: Convert to fraction form
    1,792,729.92/2,473,895.25 = 976,916.10/x
  3. Step 3: Cross multiply
    1,792,729.92x = 2,473,895.25 × 976,916.10
  4. Step 4: Simplify right side
    1,792,729.92x = 2,416,788,099,438.53
  5. Step 5: Solve for x
    x = 2,416,788,099,438.53/1,792,729.92
  6. Step 6: Final answer
    x = 1,348,104.96

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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.