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Finding the Fourth Proportional to 471,557.84, 650,749.89 and 256,699.53

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Solution

The fourth proportional to 471,557.84, 650,749.89 and 256,699.53 is: 354,245.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,557.84 : 650,749.89 = 256,699.53 : x
  2. Step 2: Convert to fraction form
    471,557.84/650,749.89 = 256,699.53/x
  3. Step 3: Cross multiply
    471,557.84x = 650,749.89 × 256,699.53
  4. Step 4: Simplify right side
    471,557.84x = 167,047,190,910.55
  5. Step 5: Solve for x
    x = 167,047,190,910.55/471,557.84
  6. Step 6: Final answer
    x = 354,245.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.