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Finding the Fourth Proportional to 299,237.94, 412,574.85 and 191,631.06

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Solution

The fourth proportional to 299,237.94, 412,574.85 and 191,631.06 is: 264,211.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,237.94 : 412,574.85 = 191,631.06 : x
  2. Step 2: Convert to fraction form
    299,237.94/412,574.85 = 191,631.06/x
  3. Step 3: Cross multiply
    299,237.94x = 412,574.85 × 191,631.06
  4. Step 4: Simplify right side
    299,237.94x = 79,062,155,834.84
  5. Step 5: Solve for x
    x = 79,062,155,834.84/299,237.94
  6. Step 6: Final answer
    x = 264,211.67

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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.