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Finding the Fourth Proportional to 481,373.49, 664,365.38 and 277,384.71

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Solution

The fourth proportional to 481,373.49, 664,365.38 and 277,384.71 is: 382,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,373.49 : 664,365.38 = 277,384.71 : x
  2. Step 2: Convert to fraction form
    481,373.49/664,365.38 = 277,384.71/x
  3. Step 3: Cross multiply
    481,373.49x = 664,365.38 × 277,384.71
  4. Step 4: Simplify right side
    481,373.49x = 184,284,798,265.34
  5. Step 5: Solve for x
    x = 184,284,798,265.34/481,373.49
  6. Step 6: Final answer
    x = 382,831.22

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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.