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Finding the Fourth Proportional to 622,901.60, 874,424.20 and 622,901.60

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Solution

The fourth proportional to 622,901.60, 874,424.20 and 622,901.60 is: 874,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,901.60 : 874,424.20 = 622,901.60 : x
  2. Step 2: Convert to fraction form
    622,901.60/874,424.20 = 622,901.60/x
  3. Step 3: Cross multiply
    622,901.60x = 874,424.20 × 622,901.60
  4. Step 4: Simplify right side
    622,901.60x = 544,680,233,258.72
  5. Step 5: Solve for x
    x = 544,680,233,258.72/622,901.60
  6. Step 6: Final answer
    x = 874,424.20

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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.