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Finding the Fourth Proportional to 1,738,223.40, 2,607,788.70 and 673,300.20

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Solution

The fourth proportional to 1,738,223.40, 2,607,788.70 and 673,300.20 is: 1,010,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,223.40 : 2,607,788.70 = 673,300.20 : x
  2. Step 2: Convert to fraction form
    1,738,223.40/2,607,788.70 = 673,300.20/x
  3. Step 3: Cross multiply
    1,738,223.40x = 2,607,788.70 × 673,300.20
  4. Step 4: Simplify right side
    1,738,223.40x = 1,755,824,653,267.74
  5. Step 5: Solve for x
    x = 1,755,824,653,267.74/1,738,223.40
  6. Step 6: Final answer
    x = 1,010,126.00

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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.