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Finding the Fourth Proportional to 650,183.41, 897,433.42 and 378,303.82

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Solution

The fourth proportional to 650,183.41, 897,433.42 and 378,303.82 is: 522,164.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,183.41 : 897,433.42 = 378,303.82 : x
  2. Step 2: Convert to fraction form
    650,183.41/897,433.42 = 378,303.82/x
  3. Step 3: Cross multiply
    650,183.41x = 897,433.42 × 378,303.82
  4. Step 4: Simplify right side
    650,183.41x = 339,502,490,981.66
  5. Step 5: Solve for x
    x = 339,502,490,981.66/650,183.41
  6. Step 6: Final answer
    x = 522,164.19

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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.