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Finding the Fourth Proportional to 374,779.41, 562,208.49 and 122,079.60

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Solution

The fourth proportional to 374,779.41, 562,208.49 and 122,079.60 is: 183,132.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,779.41 : 562,208.49 = 122,079.60 : x
  2. Step 2: Convert to fraction form
    374,779.41/562,208.49 = 122,079.60/x
  3. Step 3: Cross multiply
    374,779.41x = 562,208.49 × 122,079.60
  4. Step 4: Simplify right side
    374,779.41x = 68,634,187,575.80
  5. Step 5: Solve for x
    x = 68,634,187,575.80/374,779.41
  6. Step 6: Final answer
    x = 183,132.23

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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.