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Finding the Fourth Proportional to 672,606.54, 927,671.85 and 430,911.42

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Solution

The fourth proportional to 672,606.54, 927,671.85 and 430,911.42 is: 594,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,606.54 : 927,671.85 = 430,911.42 : x
  2. Step 2: Convert to fraction form
    672,606.54/927,671.85 = 430,911.42/x
  3. Step 3: Cross multiply
    672,606.54x = 927,671.85 × 430,911.42
  4. Step 4: Simplify right side
    672,606.54x = 399,744,394,177.53
  5. Step 5: Solve for x
    x = 399,744,394,177.53/672,606.54
  6. Step 6: Final answer
    x = 594,321.30

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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.