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Finding the Fourth Proportional to 607,673.40, 838,638.28 and 335,765.04

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Solution

The fourth proportional to 607,673.40, 838,638.28 and 335,765.04 is: 463,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,673.40 : 838,638.28 = 335,765.04 : x
  2. Step 2: Convert to fraction form
    607,673.40/838,638.28 = 335,765.04/x
  3. Step 3: Cross multiply
    607,673.40x = 838,638.28 × 335,765.04
  4. Step 4: Simplify right side
    607,673.40x = 281,585,415,629.73
  5. Step 5: Solve for x
    x = 281,585,415,629.73/607,673.40
  6. Step 6: Final answer
    x = 463,382.82

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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.