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Finding the Fourth Proportional to 2,903,461.03, 4,354,724.98 and 908,917.03

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Solution

The fourth proportional to 2,903,461.03, 4,354,724.98 and 908,917.03 is: 1,363,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903,461.03 : 4,354,724.98 = 908,917.03 : x
  2. Step 2: Convert to fraction form
    2,903,461.03/4,354,724.98 = 908,917.03/x
  3. Step 3: Cross multiply
    2,903,461.03x = 4,354,724.98 × 908,917.03
  4. Step 4: Simplify right side
    2,903,461.03x = 3,958,083,695,288.41
  5. Step 5: Solve for x
    x = 3,958,083,695,288.41/2,903,461.03
  6. Step 6: Final answer
    x = 1,363,229.49

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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.