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Finding the Fourth Proportional to 314,144.34, 470,937.60 and 114,427.50

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Solution

The fourth proportional to 314,144.34, 470,937.60 and 114,427.50 is: 171,539.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,144.34 : 470,937.60 = 114,427.50 : x
  2. Step 2: Convert to fraction form
    314,144.34/470,937.60 = 114,427.50/x
  3. Step 3: Cross multiply
    314,144.34x = 470,937.60 × 114,427.50
  4. Step 4: Simplify right side
    314,144.34x = 53,888,212,224
  5. Step 5: Solve for x
    x = 53,888,212,224/314,144.34
  6. Step 6: Final answer
    x = 171,539.66

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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.