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Finding the Fourth Proportional to 644,230.40, 966,345.60 and 573,371.60

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Solution

The fourth proportional to 644,230.40, 966,345.60 and 573,371.60 is: 860,057.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,230.40 : 966,345.60 = 573,371.60 : x
  2. Step 2: Convert to fraction form
    644,230.40/966,345.60 = 573,371.60/x
  3. Step 3: Cross multiply
    644,230.40x = 966,345.60 × 573,371.60
  4. Step 4: Simplify right side
    644,230.40x = 554,075,122,824.96
  5. Step 5: Solve for x
    x = 554,075,122,824.96/644,230.40
  6. Step 6: Final answer
    x = 860,057.40

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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.