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Finding the Fourth Proportional to 671,944.05, 927,215.53 and 413,779.64

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Solution

The fourth proportional to 671,944.05, 927,215.53 and 413,779.64 is: 570,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,944.05 : 927,215.53 = 413,779.64 : x
  2. Step 2: Convert to fraction form
    671,944.05/927,215.53 = 413,779.64/x
  3. Step 3: Cross multiply
    671,944.05x = 927,215.53 × 413,779.64
  4. Step 4: Simplify right side
    671,944.05x = 383,662,902,535.28
  5. Step 5: Solve for x
    x = 383,662,902,535.28/671,944.05
  6. Step 6: Final answer
    x = 570,974.48

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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.