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Finding the Fourth Proportional to 463,671,896.56, 639,882,562.56 and 254,835,441.52

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Solution

The fourth proportional to 463,671,896.56, 639,882,562.56 and 254,835,441.52 is: 351,681,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,671,896.56 : 639,882,562.56 = 254,835,441.52 : x
  2. Step 2: Convert to fraction form
    463,671,896.56/639,882,562.56 = 254,835,441.52/x
  3. Step 3: Cross multiply
    463,671,896.56x = 639,882,562.56 × 254,835,441.52
  4. Step 4: Simplify right side
    463,671,896.56x = 163,064,755,350,926,624
  5. Step 5: Solve for x
    x = 163,064,755,350,926,624/463,671,896.56
  6. Step 6: Final answer
    x = 351,681,343.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.