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Finding the Fourth Proportional to 934,059, 1,289,002.86 and 531,651

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Solution

The fourth proportional to 934,059, 1,289,002.86 and 531,651 is: 733,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,059 : 1,289,002.86 = 531,651 : x
  2. Step 2: Convert to fraction form
    934,059/1,289,002.86 = 531,651/x
  3. Step 3: Cross multiply
    934,059x = 1,289,002.86 × 531,651
  4. Step 4: Simplify right side
    934,059x = 685,299,659,521.86
  5. Step 5: Solve for x
    x = 685,299,659,521.86/934,059
  6. Step 6: Final answer
    x = 733,679.20

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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.