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Finding the Fourth Proportional to 662,215.32, 993,332.33 and 188,900.67

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Solution

The fourth proportional to 662,215.32, 993,332.33 and 188,900.67 is: 283,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,215.32 : 993,332.33 = 188,900.67 : x
  2. Step 2: Convert to fraction form
    662,215.32/993,332.33 = 188,900.67/x
  3. Step 3: Cross multiply
    662,215.32x = 993,332.33 × 188,900.67
  4. Step 4: Simplify right side
    662,215.32x = 187,641,141,725.16
  5. Step 5: Solve for x
    x = 187,641,141,725.16/662,215.32
  6. Step 6: Final answer
    x = 283,353.67

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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.