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Finding the Fourth Proportional to 494,039.60, 681,775.08 and 267,685.08

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Solution

The fourth proportional to 494,039.60, 681,775.08 and 267,685.08 is: 369,405.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,039.60 : 681,775.08 = 267,685.08 : x
  2. Step 2: Convert to fraction form
    494,039.60/681,775.08 = 267,685.08/x
  3. Step 3: Cross multiply
    494,039.60x = 681,775.08 × 267,685.08
  4. Step 4: Simplify right side
    494,039.60x = 182,501,016,831.81
  5. Step 5: Solve for x
    x = 182,501,016,831.81/494,039.60
  6. Step 6: Final answer
    x = 369,405.64

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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.