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Finding the Fourth Proportional to 653,831.36, 980,745.60 and 174,059.27

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Solution

The fourth proportional to 653,831.36, 980,745.60 and 174,059.27 is: 261,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,831.36 : 980,745.60 = 174,059.27 : x
  2. Step 2: Convert to fraction form
    653,831.36/980,745.60 = 174,059.27/x
  3. Step 3: Cross multiply
    653,831.36x = 980,745.60 × 174,059.27
  4. Step 4: Simplify right side
    653,831.36x = 170,707,863,191.71
  5. Step 5: Solve for x
    x = 170,707,863,191.71/653,831.36
  6. Step 6: Final answer
    x = 261,088.52

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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.