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Finding the Fourth Proportional to 595,427.10, 893,140.65 and 221,372.70

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Solution

The fourth proportional to 595,427.10, 893,140.65 and 221,372.70 is: 332,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,427.10 : 893,140.65 = 221,372.70 : x
  2. Step 2: Convert to fraction form
    595,427.10/893,140.65 = 221,372.70/x
  3. Step 3: Cross multiply
    595,427.10x = 893,140.65 × 221,372.70
  4. Step 4: Simplify right side
    595,427.10x = 197,716,957,170.26
  5. Step 5: Solve for x
    x = 197,716,957,170.26/595,427.10
  6. Step 6: Final answer
    x = 332,059.05

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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.