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Finding the Fourth Proportional to 614,868.60, 848,583.90 and 360,433.56

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Solution

The fourth proportional to 614,868.60, 848,583.90 and 360,433.56 is: 497,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,868.60 : 848,583.90 = 360,433.56 : x
  2. Step 2: Convert to fraction form
    614,868.60/848,583.90 = 360,433.56/x
  3. Step 3: Cross multiply
    614,868.60x = 848,583.90 × 360,433.56
  4. Step 4: Simplify right side
    614,868.60x = 305,858,116,035.68
  5. Step 5: Solve for x
    x = 305,858,116,035.68/614,868.60
  6. Step 6: Final answer
    x = 497,436.55

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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.