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Finding the Fourth Proportional to 595,578.40, 893,265.20 and 221,408.80

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Solution

The fourth proportional to 595,578.40, 893,265.20 and 221,408.80 is: 332,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,578.40 : 893,265.20 = 221,408.80 : x
  2. Step 2: Convert to fraction form
    595,578.40/893,265.20 = 221,408.80/x
  3. Step 3: Cross multiply
    595,578.40x = 893,265.20 × 221,408.80
  4. Step 4: Simplify right side
    595,578.40x = 197,776,776,013.76
  5. Step 5: Solve for x
    x = 197,776,776,013.76/595,578.40
  6. Step 6: Final answer
    x = 332,075.13

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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.