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Finding the Fourth Proportional to 624,153.64, 936,256.38 and 203,433.16

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Solution

The fourth proportional to 624,153.64, 936,256.38 and 203,433.16 is: 305,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,153.64 : 936,256.38 = 203,433.16 : x
  2. Step 2: Convert to fraction form
    624,153.64/936,256.38 = 203,433.16/x
  3. Step 3: Cross multiply
    624,153.64x = 936,256.38 × 203,433.16
  4. Step 4: Simplify right side
    624,153.64x = 190,465,593,953.56
  5. Step 5: Solve for x
    x = 190,465,593,953.56/624,153.64
  6. Step 6: Final answer
    x = 305,158.19

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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.