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Finding the Fourth Proportional to 326,052, 450,704.88 and 272,021.76

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Solution

The fourth proportional to 326,052, 450,704.88 and 272,021.76 is: 376,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,052 : 450,704.88 = 272,021.76 : x
  2. Step 2: Convert to fraction form
    326,052/450,704.88 = 272,021.76/x
  3. Step 3: Cross multiply
    326,052x = 450,704.88 × 272,021.76
  4. Step 4: Simplify right side
    326,052x = 122,601,534,698.19
  5. Step 5: Solve for x
    x = 122,601,534,698.19/326,052
  6. Step 6: Final answer
    x = 376,018.35

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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.