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Finding the Fourth Proportional to 259,840.32, 358,572.80 and 146,662.32

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Solution

The fourth proportional to 259,840.32, 358,572.80 and 146,662.32 is: 202,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,840.32 : 358,572.80 = 146,662.32 : x
  2. Step 2: Convert to fraction form
    259,840.32/358,572.80 = 146,662.32/x
  3. Step 3: Cross multiply
    259,840.32x = 358,572.80 × 146,662.32
  4. Step 4: Simplify right side
    259,840.32x = 52,589,118,736.90
  5. Step 5: Solve for x
    x = 52,589,118,736.90/259,840.32
  6. Step 6: Final answer
    x = 202,390.14

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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.