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Finding the Fourth Proportional to 608,831.42, 913,253.22 and 271,889.12

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Solution

The fourth proportional to 608,831.42, 913,253.22 and 271,889.12 is: 407,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,831.42 : 913,253.22 = 271,889.12 : x
  2. Step 2: Convert to fraction form
    608,831.42/913,253.22 = 271,889.12/x
  3. Step 3: Cross multiply
    608,831.42x = 913,253.22 × 271,889.12
  4. Step 4: Simplify right side
    608,831.42x = 248,303,614,322.97
  5. Step 5: Solve for x
    x = 248,303,614,322.97/608,831.42
  6. Step 6: Final answer
    x = 407,836.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.