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Finding the Fourth Proportional to 536,464.80, 804,697.20 and 477,367.20

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Solution

The fourth proportional to 536,464.80, 804,697.20 and 477,367.20 is: 716,050.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,464.80 : 804,697.20 = 477,367.20 : x
  2. Step 2: Convert to fraction form
    536,464.80/804,697.20 = 477,367.20/x
  3. Step 3: Cross multiply
    536,464.80x = 804,697.20 × 477,367.20
  4. Step 4: Simplify right side
    536,464.80x = 384,136,049,211.84
  5. Step 5: Solve for x
    x = 384,136,049,211.84/536,464.80
  6. Step 6: Final answer
    x = 716,050.80

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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.