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Finding the Fourth Proportional to 477,409.59, 658,831.76 and 273,460.40

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Solution

The fourth proportional to 477,409.59, 658,831.76 and 273,460.40 is: 377,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,409.59 : 658,831.76 = 273,460.40 : x
  2. Step 2: Convert to fraction form
    477,409.59/658,831.76 = 273,460.40/x
  3. Step 3: Cross multiply
    477,409.59x = 658,831.76 × 273,460.40
  4. Step 4: Simplify right side
    477,409.59x = 180,164,397,537.08
  5. Step 5: Solve for x
    x = 180,164,397,537.08/477,409.59
  6. Step 6: Final answer
    x = 377,379.09

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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.