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Finding the Fourth Proportional to 480,995.46, 663,713.73 and 266,105.70

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Solution

The fourth proportional to 480,995.46, 663,713.73 and 266,105.70 is: 367,192.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,995.46 : 663,713.73 = 266,105.70 : x
  2. Step 2: Convert to fraction form
    480,995.46/663,713.73 = 266,105.70/x
  3. Step 3: Cross multiply
    480,995.46x = 663,713.73 × 266,105.70
  4. Step 4: Simplify right side
    480,995.46x = 176,618,006,721.26
  5. Step 5: Solve for x
    x = 176,618,006,721.26/480,995.46
  6. Step 6: Final answer
    x = 367,192.67

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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.