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Finding the Fourth Proportional to 374,790, 562,185.54 and 153,174

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Solution

The fourth proportional to 374,790, 562,185.54 and 153,174 is: 229,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,790 : 562,185.54 = 153,174 : x
  2. Step 2: Convert to fraction form
    374,790/562,185.54 = 153,174/x
  3. Step 3: Cross multiply
    374,790x = 562,185.54 × 153,174
  4. Step 4: Simplify right side
    374,790x = 86,112,207,903.96
  5. Step 5: Solve for x
    x = 86,112,207,903.96/374,790
  6. Step 6: Final answer
    x = 229,761.22

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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.