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Finding the Fourth Proportional to 258,675.33, 387,261.72 and 158,532.60

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Solution

The fourth proportional to 258,675.33, 387,261.72 and 158,532.60 is: 237,338.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,675.33 : 387,261.72 = 158,532.60 : x
  2. Step 2: Convert to fraction form
    258,675.33/387,261.72 = 158,532.60/x
  3. Step 3: Cross multiply
    258,675.33x = 387,261.72 × 158,532.60
  4. Step 4: Simplify right side
    258,675.33x = 61,393,607,352.07
  5. Step 5: Solve for x
    x = 61,393,607,352.07/258,675.33
  6. Step 6: Final answer
    x = 237,338.47

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1.5x scale

Why These Related Problems?

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