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Finding the Fourth Proportional to 349,054.52, 523,581.76 and 112,421.12

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Solution

The fourth proportional to 349,054.52, 523,581.76 and 112,421.12 is: 168,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,054.52 : 523,581.76 = 112,421.12 : x
  2. Step 2: Convert to fraction form
    349,054.52/523,581.76 = 112,421.12/x
  3. Step 3: Cross multiply
    349,054.52x = 523,581.76 × 112,421.12
  4. Step 4: Simplify right side
    349,054.52x = 58,861,647,870.77
  5. Step 5: Solve for x
    x = 58,861,647,870.77/349,054.52
  6. Step 6: Final answer
    x = 168,631.67

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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.