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Finding the Fourth Proportional to 652,258.40, 978,387.60 and 600,936.80

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Solution

The fourth proportional to 652,258.40, 978,387.60 and 600,936.80 is: 901,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,258.40 : 978,387.60 = 600,936.80 : x
  2. Step 2: Convert to fraction form
    652,258.40/978,387.60 = 600,936.80/x
  3. Step 3: Cross multiply
    652,258.40x = 978,387.60 × 600,936.80
  4. Step 4: Simplify right side
    652,258.40x = 587,949,113,503.68
  5. Step 5: Solve for x
    x = 587,949,113,503.68/652,258.40
  6. Step 6: Final answer
    x = 901,405.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.