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Finding the Fourth Proportional to 190,956.66, 286,609.95 and 190,242.24

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Solution

The fourth proportional to 190,956.66, 286,609.95 and 190,242.24 is: 285,537.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,956.66 : 286,609.95 = 190,242.24 : x
  2. Step 2: Convert to fraction form
    190,956.66/286,609.95 = 190,242.24/x
  3. Step 3: Cross multiply
    190,956.66x = 286,609.95 × 190,242.24
  4. Step 4: Simplify right side
    190,956.66x = 54,525,318,894.29
  5. Step 5: Solve for x
    x = 54,525,318,894.29/190,956.66
  6. Step 6: Final answer
    x = 285,537.67

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1.5x scale

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.