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Finding the Fourth Proportional to 652,144.20, 978,216.30 and 594,407.40

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Solution

The fourth proportional to 652,144.20, 978,216.30 and 594,407.40 is: 891,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,144.20 : 978,216.30 = 594,407.40 : x
  2. Step 2: Convert to fraction form
    652,144.20/978,216.30 = 594,407.40/x
  3. Step 3: Cross multiply
    652,144.20x = 978,216.30 × 594,407.40
  4. Step 4: Simplify right side
    652,144.20x = 581,459,007,520.62
  5. Step 5: Solve for x
    x = 581,459,007,520.62/652,144.20
  6. Step 6: Final answer
    x = 891,611.10

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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.