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Finding the Fourth Proportional to 315,674.44, 473,581.62 and 91,017.34

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Solution

The fourth proportional to 315,674.44, 473,581.62 and 91,017.34 is: 136,546.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,674.44 : 473,581.62 = 91,017.34 : x
  2. Step 2: Convert to fraction form
    315,674.44/473,581.62 = 91,017.34/x
  3. Step 3: Cross multiply
    315,674.44x = 473,581.62 × 91,017.34
  4. Step 4: Simplify right side
    315,674.44x = 43,104,139,325.29
  5. Step 5: Solve for x
    x = 43,104,139,325.29/315,674.44
  6. Step 6: Final answer
    x = 136,546.18

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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.