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Finding the Fourth Proportional to 258,417.69, 356,563.90 and 150,966.97

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Solution

The fourth proportional to 258,417.69, 356,563.90 and 150,966.97 is: 208,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,417.69 : 356,563.90 = 150,966.97 : x
  2. Step 2: Convert to fraction form
    258,417.69/356,563.90 = 150,966.97/x
  3. Step 3: Cross multiply
    258,417.69x = 356,563.90 × 150,966.97
  4. Step 4: Simplify right side
    258,417.69x = 53,829,369,245.44
  5. Step 5: Solve for x
    x = 53,829,369,245.44/258,417.69
  6. Step 6: Final answer
    x = 208,303.73

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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.