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Finding the Fourth Proportional to 1,623,303, 2,240,165.82 and 907,911

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Solution

The fourth proportional to 1,623,303, 2,240,165.82 and 907,911 is: 1,252,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623,303 : 2,240,165.82 = 907,911 : x
  2. Step 2: Convert to fraction form
    1,623,303/2,240,165.82 = 907,911/x
  3. Step 3: Cross multiply
    1,623,303x = 2,240,165.82 × 907,911
  4. Step 4: Simplify right side
    1,623,303x = 2,033,871,189,802.02
  5. Step 5: Solve for x
    x = 2,033,871,189,802.02/1,623,303
  6. Step 6: Final answer
    x = 1,252,921.48

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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.