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Finding the Fourth Proportional to 377,455.59, 520,905.87 and 234,261.77

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Solution

The fourth proportional to 377,455.59, 520,905.87 and 234,261.77 is: 323,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,455.59 : 520,905.87 = 234,261.77 : x
  2. Step 2: Convert to fraction form
    377,455.59/520,905.87 = 234,261.77/x
  3. Step 3: Cross multiply
    377,455.59x = 520,905.87 × 234,261.77
  4. Step 4: Simplify right side
    377,455.59x = 122,028,328,505.06
  5. Step 5: Solve for x
    x = 122,028,328,505.06/377,455.59
  6. Step 6: Final answer
    x = 323,291.88

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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.