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Finding the Fourth Proportional to 882,319.50, 1,323,676.08 and 321,354

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Solution

The fourth proportional to 882,319.50, 1,323,676.08 and 321,354 is: 482,102.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,319.50 : 1,323,676.08 = 321,354 : x
  2. Step 2: Convert to fraction form
    882,319.50/1,323,676.08 = 321,354/x
  3. Step 3: Cross multiply
    882,319.50x = 1,323,676.08 × 321,354
  4. Step 4: Simplify right side
    882,319.50x = 425,368,603,012.32
  5. Step 5: Solve for x
    x = 425,368,603,012.32/882,319.50
  6. Step 6: Final answer
    x = 482,102.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.