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Finding the Fourth Proportional to 481,365.59, 664,354.47 and 277,376.81

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Solution

The fourth proportional to 481,365.59, 664,354.47 and 277,376.81 is: 382,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,365.59 : 664,354.47 = 277,376.81 : x
  2. Step 2: Convert to fraction form
    481,365.59/664,354.47 = 277,376.81/x
  3. Step 3: Cross multiply
    481,365.59x = 664,354.47 × 277,376.81
  4. Step 4: Simplify right side
    481,365.59x = 184,276,518,889.18
  5. Step 5: Solve for x
    x = 184,276,518,889.18/481,365.59
  6. Step 6: Final answer
    x = 382,820.30

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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.