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Finding the Fourth Proportional to 595,679.28, 822,156.96 and 353,915.30

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Solution

The fourth proportional to 595,679.28, 822,156.96 and 353,915.30 is: 488,474.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,679.28 : 822,156.96 = 353,915.30 : x
  2. Step 2: Convert to fraction form
    595,679.28/822,156.96 = 353,915.30/x
  3. Step 3: Cross multiply
    595,679.28x = 822,156.96 × 353,915.30
  4. Step 4: Simplify right side
    595,679.28x = 290,973,927,145.49
  5. Step 5: Solve for x
    x = 290,973,927,145.49/595,679.28
  6. Step 6: Final answer
    x = 488,474.15

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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.