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Finding the Fourth Proportional to 697,140.84, 962,054.28 and 395,334.84

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Solution

The fourth proportional to 697,140.84, 962,054.28 and 395,334.84 is: 545,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,140.84 : 962,054.28 = 395,334.84 : x
  2. Step 2: Convert to fraction form
    697,140.84/962,054.28 = 395,334.84/x
  3. Step 3: Cross multiply
    697,140.84x = 962,054.28 × 395,334.84
  4. Step 4: Simplify right side
    697,140.84x = 380,333,574,855.12
  5. Step 5: Solve for x
    x = 380,333,574,855.12/697,140.84
  6. Step 6: Final answer
    x = 545,562.03

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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.