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Finding the Fourth Proportional to 492,642,365.52, 679,848,266.52 and 266,581,350

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Solution

The fourth proportional to 492,642,365.52, 679,848,266.52 and 266,581,350 is: 367,883,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,642,365.52 : 679,848,266.52 = 266,581,350 : x
  2. Step 2: Convert to fraction form
    492,642,365.52/679,848,266.52 = 266,581,350/x
  3. Step 3: Cross multiply
    492,642,365.52x = 679,848,266.52 × 266,581,350
  4. Step 4: Simplify right side
    492,642,365.52x = 181,234,868,684,061,408
  5. Step 5: Solve for x
    x = 181,234,868,684,061,408/492,642,365.52
  6. Step 6: Final answer
    x = 367,883,238.16

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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.