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Finding the Fourth Proportional to 697,488.45, 962,419.45 and 410,969.58

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Solution

The fourth proportional to 697,488.45, 962,419.45 and 410,969.58 is: 567,070.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,488.45 : 962,419.45 = 410,969.58 : x
  2. Step 2: Convert to fraction form
    697,488.45/962,419.45 = 410,969.58/x
  3. Step 3: Cross multiply
    697,488.45x = 962,419.45 × 410,969.58
  4. Step 4: Simplify right side
    697,488.45x = 395,525,117,542.16
  5. Step 5: Solve for x
    x = 395,525,117,542.16/697,488.45
  6. Step 6: Final answer
    x = 567,070.49

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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.