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Finding the Fourth Proportional to 614,847.71, 848,884.73 and 385,719.14

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Solution

The fourth proportional to 614,847.71, 848,884.73 and 385,719.14 is: 532,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,847.71 : 848,884.73 = 385,719.14 : x
  2. Step 2: Convert to fraction form
    614,847.71/848,884.73 = 385,719.14/x
  3. Step 3: Cross multiply
    614,847.71x = 848,884.73 × 385,719.14
  4. Step 4: Simplify right side
    614,847.71x = 327,431,089,075.37
  5. Step 5: Solve for x
    x = 327,431,089,075.37/614,847.71
  6. Step 6: Final answer
    x = 532,540.14

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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.