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Finding the Fourth Proportional to 536,622.60, 804,933.90 and 402,778.20

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Solution

The fourth proportional to 536,622.60, 804,933.90 and 402,778.20 is: 604,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,622.60 : 804,933.90 = 402,778.20 : x
  2. Step 2: Convert to fraction form
    536,622.60/804,933.90 = 402,778.20/x
  3. Step 3: Cross multiply
    536,622.60x = 804,933.90 × 402,778.20
  4. Step 4: Simplify right side
    536,622.60x = 324,209,827,360.98
  5. Step 5: Solve for x
    x = 324,209,827,360.98/536,622.60
  6. Step 6: Final answer
    x = 604,167.30

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1.5x scale

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.