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Finding the Fourth Proportional to 412,090.49, 568,126.58 and 352,303.38

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Solution

The fourth proportional to 412,090.49, 568,126.58 and 352,303.38 is: 485,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,090.49 : 568,126.58 = 352,303.38 : x
  2. Step 2: Convert to fraction form
    412,090.49/568,126.58 = 352,303.38/x
  3. Step 3: Cross multiply
    412,090.49x = 568,126.58 × 352,303.38
  4. Step 4: Simplify right side
    412,090.49x = 200,152,912,640.32
  5. Step 5: Solve for x
    x = 200,152,912,640.32/412,090.49
  6. Step 6: Final answer
    x = 485,701.36

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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.