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Finding the Fourth Proportional to 353,831.73, 488,293.62 and 192,689.92

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Solution

The fourth proportional to 353,831.73, 488,293.62 and 192,689.92 is: 265,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,831.73 : 488,293.62 = 192,689.92 : x
  2. Step 2: Convert to fraction form
    353,831.73/488,293.62 = 192,689.92/x
  3. Step 3: Cross multiply
    353,831.73x = 488,293.62 × 192,689.92
  4. Step 4: Simplify right side
    353,831.73x = 94,089,258,574.31
  5. Step 5: Solve for x
    x = 94,089,258,574.31/353,831.73
  6. Step 6: Final answer
    x = 265,915.27

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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.