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Finding the Fourth Proportional to 481,798.35, 665,206.49 and 430,647.17

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Solution

The fourth proportional to 481,798.35, 665,206.49 and 430,647.17 is: 594,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,798.35 : 665,206.49 = 430,647.17 : x
  2. Step 2: Convert to fraction form
    481,798.35/665,206.49 = 430,647.17/x
  3. Step 3: Cross multiply
    481,798.35x = 665,206.49 × 430,647.17
  4. Step 4: Simplify right side
    481,798.35x = 286,469,290,134.72
  5. Step 5: Solve for x
    x = 286,469,290,134.72/481,798.35
  6. Step 6: Final answer
    x = 594,583.38

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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.