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Finding the Fourth Proportional to 374,999.35, 517,566.35 and 211,705.51

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Solution

The fourth proportional to 374,999.35, 517,566.35 and 211,705.51 is: 292,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,999.35 : 517,566.35 = 211,705.51 : x
  2. Step 2: Convert to fraction form
    374,999.35/517,566.35 = 211,705.51/x
  3. Step 3: Cross multiply
    374,999.35x = 517,566.35 × 211,705.51
  4. Step 4: Simplify right side
    374,999.35x = 109,571,648,085.59
  5. Step 5: Solve for x
    x = 109,571,648,085.59/374,999.35
  6. Step 6: Final answer
    x = 292,191.57

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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.