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Finding the Fourth Proportional to 504,059,101.20, 756,088,651.80 and 217,404,637.20

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Solution

The fourth proportional to 504,059,101.20, 756,088,651.80 and 217,404,637.20 is: 326,106,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,059,101.20 : 756,088,651.80 = 217,404,637.20 : x
  2. Step 2: Convert to fraction form
    504,059,101.20/756,088,651.80 = 217,404,637.20/x
  3. Step 3: Cross multiply
    504,059,101.20x = 756,088,651.80 × 217,404,637.20
  4. Step 4: Simplify right side
    504,059,101.20x = 164,377,179,035,616,096
  5. Step 5: Solve for x
    x = 164,377,179,035,616,096/504,059,101.20
  6. Step 6: Final answer
    x = 326,106,955.80

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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.