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Finding the Fourth Proportional to 308,863,272.32, 463,351,864.64 and 101,613,347.20

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Solution

The fourth proportional to 308,863,272.32, 463,351,864.64 and 101,613,347.20 is: 152,438,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,863,272.32 : 463,351,864.64 = 101,613,347.20 : x
  2. Step 2: Convert to fraction form
    308,863,272.32/463,351,864.64 = 101,613,347.20/x
  3. Step 3: Cross multiply
    308,863,272.32x = 463,351,864.64 × 101,613,347.20
  4. Step 4: Simplify right side
    308,863,272.32x = 47,082,733,897,431,720
  5. Step 5: Solve for x
    x = 47,082,733,897,431,720/308,863,272.32
  6. Step 6: Final answer
    x = 152,438,758.88

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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.