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Finding the Fourth Proportional to 650,183.16, 897,433.08 and 378,303.57

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Solution

The fourth proportional to 650,183.16, 897,433.08 and 378,303.57 is: 522,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,183.16 : 897,433.08 = 378,303.57 : x
  2. Step 2: Convert to fraction form
    650,183.16/897,433.08 = 378,303.57/x
  3. Step 3: Cross multiply
    650,183.16x = 897,433.08 × 378,303.57
  4. Step 4: Simplify right side
    650,183.16x = 339,502,138,000.10
  5. Step 5: Solve for x
    x = 339,502,138,000.10/650,183.16
  6. Step 6: Final answer
    x = 522,163.84

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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.