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Finding the Fourth Proportional to 371,441.37, 556,615.92 and 219,482.25

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Solution

The fourth proportional to 371,441.37, 556,615.92 and 219,482.25 is: 328,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,441.37 : 556,615.92 = 219,482.25 : x
  2. Step 2: Convert to fraction form
    371,441.37/556,615.92 = 219,482.25/x
  3. Step 3: Cross multiply
    371,441.37x = 556,615.92 × 219,482.25
  4. Step 4: Simplify right side
    371,441.37x = 122,167,314,507.42
  5. Step 5: Solve for x
    x = 122,167,314,507.42/371,441.37
  6. Step 6: Final answer
    x = 328,900.67

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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.