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Finding the Fourth Proportional to 696,069, 961,038.54 and 534,636

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Solution

The fourth proportional to 696,069, 961,038.54 and 534,636 is: 738,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,069 : 961,038.54 = 534,636 : x
  2. Step 2: Convert to fraction form
    696,069/961,038.54 = 534,636/x
  3. Step 3: Cross multiply
    696,069x = 961,038.54 × 534,636
  4. Step 4: Simplify right side
    696,069x = 513,805,800,871.44
  5. Step 5: Solve for x
    x = 513,805,800,871.44/696,069
  6. Step 6: Final answer
    x = 738,153.55

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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.