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Finding the Fourth Proportional to 692,592,417, 955,807,579.62 and 383,543,073

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Solution

The fourth proportional to 692,592,417, 955,807,579.62 and 383,543,073 is: 529,306,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,592,417 : 955,807,579.62 = 383,543,073 : x
  2. Step 2: Convert to fraction form
    692,592,417/955,807,579.62 = 383,543,073/x
  3. Step 3: Cross multiply
    692,592,417x = 955,807,579.62 × 383,543,073
  4. Step 4: Simplify right side
    692,592,417x = 366,593,376,284,146,944
  5. Step 5: Solve for x
    x = 366,593,376,284,146,944/692,592,417
  6. Step 6: Final answer
    x = 529,306,078.56

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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.