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Finding the Fourth Proportional to 615,538.67, 848,653.56 and 504,749.26

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Solution

The fourth proportional to 615,538.67, 848,653.56 and 504,749.26 is: 695,906.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,538.67 : 848,653.56 = 504,749.26 : x
  2. Step 2: Convert to fraction form
    615,538.67/848,653.56 = 504,749.26/x
  3. Step 3: Cross multiply
    615,538.67x = 848,653.56 × 504,749.26
  4. Step 4: Simplify right side
    615,538.67x = 428,357,259,313.84
  5. Step 5: Solve for x
    x = 428,357,259,313.84/615,538.67
  6. Step 6: Final answer
    x = 695,906.34

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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.