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Finding the Fourth Proportional to 1,623,300, 2,240,161.68 and 907,908

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Solution

The fourth proportional to 1,623,300, 2,240,161.68 and 907,908 is: 1,252,917.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,300 : 2,240,161.68 = 907,908 : x
  2. Step 2: Convert to fraction form
    1,623,300/2,240,161.68 = 907,908/x
  3. Step 3: Cross multiply
    1,623,300x = 2,240,161.68 × 907,908
  4. Step 4: Simplify right side
    1,623,300x = 2,033,860,710,565.44
  5. Step 5: Solve for x
    x = 2,033,860,710,565.44/1,623,300
  6. Step 6: Final answer
    x = 1,252,917.34

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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.