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Finding the Fourth Proportional to 363,118.56, 500,980.56 and 259,665.36

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Solution

The fourth proportional to 363,118.56, 500,980.56 and 259,665.36 is: 358,250.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,118.56 : 500,980.56 = 259,665.36 : x
  2. Step 2: Convert to fraction form
    363,118.56/500,980.56 = 259,665.36/x
  3. Step 3: Cross multiply
    363,118.56x = 500,980.56 × 259,665.36
  4. Step 4: Simplify right side
    363,118.56x = 130,087,297,465.40
  5. Step 5: Solve for x
    x = 130,087,297,465.40/363,118.56
  6. Step 6: Final answer
    x = 358,250.20

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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.