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Finding the Fourth Proportional to 797,972, 1,101,201.36 and 440,276

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Solution

The fourth proportional to 797,972, 1,101,201.36 and 440,276 is: 607,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,972 : 1,101,201.36 = 440,276 : x
  2. Step 2: Convert to fraction form
    797,972/1,101,201.36 = 440,276/x
  3. Step 3: Cross multiply
    797,972x = 1,101,201.36 × 440,276
  4. Step 4: Simplify right side
    797,972x = 484,832,529,975.36
  5. Step 5: Solve for x
    x = 484,832,529,975.36/797,972
  6. Step 6: Final answer
    x = 607,580.88

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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.