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Finding the Fourth Proportional to 322,953.11, 484,499.67 and 98,307.67

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Solution

The fourth proportional to 322,953.11, 484,499.67 and 98,307.67 is: 147,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,953.11 : 484,499.67 = 98,307.67 : x
  2. Step 2: Convert to fraction form
    322,953.11/484,499.67 = 98,307.67/x
  3. Step 3: Cross multiply
    322,953.11x = 484,499.67 × 98,307.67
  4. Step 4: Simplify right side
    322,953.11x = 47,630,033,554.98
  5. Step 5: Solve for x
    x = 47,630,033,554.98/322,953.11
  6. Step 6: Final answer
    x = 147,482.81

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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.