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Finding the Fourth Proportional to 608,240.88, 839,347.92 and 353,572.02

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Solution

The fourth proportional to 608,240.88, 839,347.92 and 353,572.02 is: 487,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,240.88 : 839,347.92 = 353,572.02 : x
  2. Step 2: Convert to fraction form
    608,240.88/839,347.92 = 353,572.02/x
  3. Step 3: Cross multiply
    608,240.88x = 839,347.92 × 353,572.02
  4. Step 4: Simplify right side
    608,240.88x = 296,769,939,557.20
  5. Step 5: Solve for x
    x = 296,769,939,557.20/608,240.88
  6. Step 6: Final answer
    x = 487,915.15

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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.