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Finding the Fourth Proportional to 374,987.90, 562,540.17 and 125,611.58

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Solution

The fourth proportional to 374,987.90, 562,540.17 and 125,611.58 is: 188,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,987.90 : 562,540.17 = 125,611.58 : x
  2. Step 2: Convert to fraction form
    374,987.90/562,540.17 = 125,611.58/x
  3. Step 3: Cross multiply
    374,987.90x = 562,540.17 × 125,611.58
  4. Step 4: Simplify right side
    374,987.90x = 70,661,559,567.17
  5. Step 5: Solve for x
    x = 70,661,559,567.17/374,987.90
  6. Step 6: Final answer
    x = 188,436.91

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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.