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Finding the Fourth Proportional to 374,840, 562,318.44 and 122,060.80

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Solution

The fourth proportional to 374,840, 562,318.44 and 122,060.80 is: 183,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,840 : 562,318.44 = 122,060.80 : x
  2. Step 2: Convert to fraction form
    374,840/562,318.44 = 122,060.80/x
  3. Step 3: Cross multiply
    374,840x = 562,318.44 × 122,060.80
  4. Step 4: Simplify right side
    374,840x = 68,637,038,641.15
  5. Step 5: Solve for x
    x = 68,637,038,641.15/374,840
  6. Step 6: Final answer
    x = 183,110.23

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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.