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Finding the Fourth Proportional to 658,573.92, 908,831.97 and 356,767.92

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Solution

The fourth proportional to 658,573.92, 908,831.97 and 356,767.92 is: 492,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,573.92 : 908,831.97 = 356,767.92 : x
  2. Step 2: Convert to fraction form
    658,573.92/908,831.97 = 356,767.92/x
  3. Step 3: Cross multiply
    658,573.92x = 908,831.97 × 356,767.92
  4. Step 4: Simplify right side
    658,573.92x = 324,242,091,566.40
  5. Step 5: Solve for x
    x = 324,242,091,566.40/658,573.92
  6. Step 6: Final answer
    x = 492,339.71

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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.