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Finding the Fourth Proportional to 481,389.24, 664,228.62 and 277,411.56

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Solution

The fourth proportional to 481,389.24, 664,228.62 and 277,411.56 is: 382,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,389.24 : 664,228.62 = 277,411.56 : x
  2. Step 2: Convert to fraction form
    481,389.24/664,228.62 = 277,411.56/x
  3. Step 3: Cross multiply
    481,389.24x = 664,228.62 × 277,411.56
  4. Step 4: Simplify right side
    481,389.24x = 184,264,697,670.85
  5. Step 5: Solve for x
    x = 184,264,697,670.85/481,389.24
  6. Step 6: Final answer
    x = 382,776.93

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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.