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Finding the Fourth Proportional to 601,065.10, 901,390.09 and 174,485.28

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Solution

The fourth proportional to 601,065.10, 901,390.09 and 174,485.28 is: 261,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,065.10 : 901,390.09 = 174,485.28 : x
  2. Step 2: Convert to fraction form
    601,065.10/901,390.09 = 174,485.28/x
  3. Step 3: Cross multiply
    601,065.10x = 901,390.09 × 174,485.28
  4. Step 4: Simplify right side
    601,065.10x = 157,279,301,370.45
  5. Step 5: Solve for x
    x = 157,279,301,370.45/601,065.10
  6. Step 6: Final answer
    x = 261,667.67

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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.