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Finding the Fourth Proportional to 707,443, 1,060,497.42 and 352,121.11

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Solution

The fourth proportional to 707,443, 1,060,497.42 and 352,121.11 is: 527,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,443 : 1,060,497.42 = 352,121.11 : x
  2. Step 2: Convert to fraction form
    707,443/1,060,497.42 = 352,121.11/x
  3. Step 3: Cross multiply
    707,443x = 1,060,497.42 × 352,121.11
  4. Step 4: Simplify right side
    707,443x = 373,423,528,682.54
  5. Step 5: Solve for x
    x = 373,423,528,682.54/707,443
  6. Step 6: Final answer
    x = 527,849.63

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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.