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Finding the Fourth Proportional to 573,652.40, 860,651.40 and 307,540.40

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Solution

The fourth proportional to 573,652.40, 860,651.40 and 307,540.40 is: 461,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,652.40 : 860,651.40 = 307,540.40 : x
  2. Step 2: Convert to fraction form
    573,652.40/860,651.40 = 307,540.40/x
  3. Step 3: Cross multiply
    573,652.40x = 860,651.40 × 307,540.40
  4. Step 4: Simplify right side
    573,652.40x = 264,685,075,816.56
  5. Step 5: Solve for x
    x = 264,685,075,816.56/573,652.40
  6. Step 6: Final answer
    x = 461,403.24

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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.