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Finding the Fourth Proportional to 723,675.58, 998,018.91 and 451,768.54

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Solution

The fourth proportional to 723,675.58, 998,018.91 and 451,768.54 is: 623,032.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,675.58 : 998,018.91 = 451,768.54 : x
  2. Step 2: Convert to fraction form
    723,675.58/998,018.91 = 451,768.54/x
  3. Step 3: Cross multiply
    723,675.58x = 998,018.91 × 451,768.54
  4. Step 4: Simplify right side
    723,675.58x = 450,873,545,863.09
  5. Step 5: Solve for x
    x = 450,873,545,863.09/723,675.58
  6. Step 6: Final answer
    x = 623,032.69

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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.