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Finding the Fourth Proportional to 1,343,305.70, 1,883,116.30 and 1,343,305.70

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Solution

The fourth proportional to 1,343,305.70, 1,883,116.30 and 1,343,305.70 is: 1,883,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,305.70 : 1,883,116.30 = 1,343,305.70 : x
  2. Step 2: Convert to fraction form
    1,343,305.70/1,883,116.30 = 1,343,305.70/x
  3. Step 3: Cross multiply
    1,343,305.70x = 1,883,116.30 × 1,343,305.70
  4. Step 4: Simplify right side
    1,343,305.70x = 2,529,600,859,552.91
  5. Step 5: Solve for x
    x = 2,529,600,859,552.91/1,343,305.70
  6. Step 6: Final answer
    x = 1,883,116.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.