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Finding the Fourth Proportional to 614,866.60, 848,581.14 and 360,431.56

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Solution

The fourth proportional to 614,866.60, 848,581.14 and 360,431.56 is: 497,433.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,866.60 : 848,581.14 = 360,431.56 : x
  2. Step 2: Convert to fraction form
    614,866.60/848,581.14 = 360,431.56/x
  3. Step 3: Cross multiply
    614,866.60x = 848,581.14 × 360,431.56
  4. Step 4: Simplify right side
    614,866.60x = 305,855,424,076.78
  5. Step 5: Solve for x
    x = 305,855,424,076.78/614,866.60
  6. Step 6: Final answer
    x = 497,433.79

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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.