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Finding the Fourth Proportional to 693,168.84, 1,039,681.44 and 469,963.08

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Solution

The fourth proportional to 693,168.84, 1,039,681.44 and 469,963.08 is: 704,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,168.84 : 1,039,681.44 = 469,963.08 : x
  2. Step 2: Convert to fraction form
    693,168.84/1,039,681.44 = 469,963.08/x
  3. Step 3: Cross multiply
    693,168.84x = 1,039,681.44 × 469,963.08
  4. Step 4: Simplify right side
    693,168.84x = 488,611,891,761.24
  5. Step 5: Solve for x
    x = 488,611,891,761.24/693,168.84
  6. Step 6: Final answer
    x = 704,895.93

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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.