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Finding the Fourth Proportional to 536,622.10, 804,933.15 and 402,777.70

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Solution

The fourth proportional to 536,622.10, 804,933.15 and 402,777.70 is: 604,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,622.10 : 804,933.15 = 402,777.70 : x
  2. Step 2: Convert to fraction form
    536,622.10/804,933.15 = 402,777.70/x
  3. Step 3: Cross multiply
    536,622.10x = 804,933.15 × 402,777.70
  4. Step 4: Simplify right side
    536,622.10x = 324,209,122,810.76
  5. Step 5: Solve for x
    x = 324,209,122,810.76/536,622.10
  6. Step 6: Final answer
    x = 604,166.55

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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.