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Finding the Fourth Proportional to 536,897.60, 805,605.60 and 378,785.60

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Solution

The fourth proportional to 536,897.60, 805,605.60 and 378,785.60 is: 568,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,897.60 : 805,605.60 = 378,785.60 : x
  2. Step 2: Convert to fraction form
    536,897.60/805,605.60 = 378,785.60/x
  3. Step 3: Cross multiply
    536,897.60x = 805,605.60 × 378,785.60
  4. Step 4: Simplify right side
    536,897.60x = 305,151,800,559.36
  5. Step 5: Solve for x
    x = 305,151,800,559.36/536,897.60
  6. Step 6: Final answer
    x = 568,361.27

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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.