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Finding the Fourth Proportional to 672,173.55, 927,588.24 and 366,253.56

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Solution

The fourth proportional to 672,173.55, 927,588.24 and 366,253.56 is: 505,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,173.55 : 927,588.24 = 366,253.56 : x
  2. Step 2: Convert to fraction form
    672,173.55/927,588.24 = 366,253.56/x
  3. Step 3: Cross multiply
    672,173.55x = 927,588.24 × 366,253.56
  4. Step 4: Simplify right side
    672,173.55x = 339,732,495,114.13
  5. Step 5: Solve for x
    x = 339,732,495,114.13/672,173.55
  6. Step 6: Final answer
    x = 505,423.78

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Double scale
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Similar ratio
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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.