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Finding the Fourth Proportional to 303,066.72, 454,880.16 and 153,412.02

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Solution

The fourth proportional to 303,066.72, 454,880.16 and 153,412.02 is: 230,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,066.72 : 454,880.16 = 153,412.02 : x
  2. Step 2: Convert to fraction form
    303,066.72/454,880.16 = 153,412.02/x
  3. Step 3: Cross multiply
    303,066.72x = 454,880.16 × 153,412.02
  4. Step 4: Simplify right side
    303,066.72x = 69,784,084,203.52
  5. Step 5: Solve for x
    x = 69,784,084,203.52/303,066.72
  6. Step 6: Final answer
    x = 230,259.81

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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.