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Finding the Fourth Proportional to 654,804.20, 903,623.22 and 364,410.90

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Solution

The fourth proportional to 654,804.20, 903,623.22 and 364,410.90 is: 502,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,804.20 : 903,623.22 = 364,410.90 : x
  2. Step 2: Convert to fraction form
    654,804.20/903,623.22 = 364,410.90/x
  3. Step 3: Cross multiply
    654,804.20x = 903,623.22 × 364,410.90
  4. Step 4: Simplify right side
    654,804.20x = 329,290,150,861.10
  5. Step 5: Solve for x
    x = 329,290,150,861.10/654,804.20
  6. Step 6: Final answer
    x = 502,883.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.