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Finding the Fourth Proportional to 465,215.54, 697,706.66 and 340,326.50

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Solution

The fourth proportional to 465,215.54, 697,706.66 and 340,326.50 is: 510,404.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,215.54 : 697,706.66 = 340,326.50 : x
  2. Step 2: Convert to fraction form
    465,215.54/697,706.66 = 340,326.50/x
  3. Step 3: Cross multiply
    465,215.54x = 697,706.66 × 340,326.50
  4. Step 4: Simplify right side
    465,215.54x = 237,448,062,986.77
  5. Step 5: Solve for x
    x = 237,448,062,986.77/465,215.54
  6. Step 6: Final answer
    x = 510,404.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.