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Finding the Fourth Proportional to 344,143.67, 474,950.34 and 208,211.00

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Solution

The fourth proportional to 344,143.67, 474,950.34 and 208,211.00 is: 287,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,143.67 : 474,950.34 = 208,211.00 : x
  2. Step 2: Convert to fraction form
    344,143.67/474,950.34 = 208,211.00/x
  3. Step 3: Cross multiply
    344,143.67x = 474,950.34 × 208,211.00
  4. Step 4: Simplify right side
    344,143.67x = 98,889,882,866.99
  5. Step 5: Solve for x
    x = 98,889,882,866.99/344,143.67
  6. Step 6: Final answer
    x = 287,350.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.