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Finding the Fourth Proportional to 697,768.73, 962,866.02 and 395,962.73

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Solution

The fourth proportional to 697,768.73, 962,866.02 and 395,962.73 is: 546,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,768.73 : 962,866.02 = 395,962.73 : x
  2. Step 2: Convert to fraction form
    697,768.73/962,866.02 = 395,962.73/x
  3. Step 3: Cross multiply
    697,768.73x = 962,866.02 × 395,962.73
  4. Step 4: Simplify right side
    697,768.73x = 381,259,051,109.29
  5. Step 5: Solve for x
    x = 381,259,051,109.29/697,768.73
  6. Step 6: Final answer
    x = 546,397.45

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1.5x scale

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.