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Finding the Fourth Proportional to 936,370.08, 1,404,702 and 305,138.16

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Solution

The fourth proportional to 936,370.08, 1,404,702 and 305,138.16 is: 457,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,370.08 : 1,404,702 = 305,138.16 : x
  2. Step 2: Convert to fraction form
    936,370.08/1,404,702 = 305,138.16/x
  3. Step 3: Cross multiply
    936,370.08x = 1,404,702 × 305,138.16
  4. Step 4: Simplify right side
    936,370.08x = 428,628,183,628.32
  5. Step 5: Solve for x
    x = 428,628,183,628.32/936,370.08
  6. Step 6: Final answer
    x = 457,755.10

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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.