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Finding the Fourth Proportional to 366,971.76, 550,325.60 and 127,020.51

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Solution

The fourth proportional to 366,971.76, 550,325.60 and 127,020.51 is: 190,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.76 : 550,325.60 = 127,020.51 : x
  2. Step 2: Convert to fraction form
    366,971.76/550,325.60 = 127,020.51/x
  3. Step 3: Cross multiply
    366,971.76x = 550,325.60 × 127,020.51
  4. Step 4: Simplify right side
    366,971.76x = 69,902,637,742.95
  5. Step 5: Solve for x
    x = 69,902,637,742.95/366,971.76
  6. Step 6: Final answer
    x = 190,485.06

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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.