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Finding the Fourth Proportional to 1,829,009.30, 2,743,513.95 and 831,737.30

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Solution

The fourth proportional to 1,829,009.30, 2,743,513.95 and 831,737.30 is: 1,247,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829,009.30 : 2,743,513.95 = 831,737.30 : x
  2. Step 2: Convert to fraction form
    1,829,009.30/2,743,513.95 = 831,737.30/x
  3. Step 3: Cross multiply
    1,829,009.30x = 2,743,513.95 × 831,737.30
  4. Step 4: Simplify right side
    1,829,009.30x = 2,281,882,885,285.34
  5. Step 5: Solve for x
    x = 2,281,882,885,285.34/1,829,009.30
  6. Step 6: Final answer
    x = 1,247,605.95

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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.