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Finding the Fourth Proportional to 694,818, 958,848.84 and 376,866

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Solution

The fourth proportional to 694,818, 958,848.84 and 376,866 is: 520,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,818 : 958,848.84 = 376,866 : x
  2. Step 2: Convert to fraction form
    694,818/958,848.84 = 376,866/x
  3. Step 3: Cross multiply
    694,818x = 958,848.84 × 376,866
  4. Step 4: Simplify right side
    694,818x = 361,357,526,935.44
  5. Step 5: Solve for x
    x = 361,357,526,935.44/694,818
  6. Step 6: Final answer
    x = 520,075.08

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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.