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Finding the Fourth Proportional to 569,717.58, 854,312.90 and 209,797.55

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Solution

The fourth proportional to 569,717.58, 854,312.90 and 209,797.55 is: 314,599.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,717.58 : 854,312.90 = 209,797.55 : x
  2. Step 2: Convert to fraction form
    569,717.58/854,312.90 = 209,797.55/x
  3. Step 3: Cross multiply
    569,717.58x = 854,312.90 × 209,797.55
  4. Step 4: Simplify right side
    569,717.58x = 179,232,748,032.84
  5. Step 5: Solve for x
    x = 179,232,748,032.84/569,717.58
  6. Step 6: Final answer
    x = 314,599.29

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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.