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Finding the Fourth Proportional to 471,339.12, 650,442.52 and 256,475.48

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Solution

The fourth proportional to 471,339.12, 650,442.52 and 256,475.48 is: 353,933.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,339.12 : 650,442.52 = 256,475.48 : x
  2. Step 2: Convert to fraction form
    471,339.12/650,442.52 = 256,475.48/x
  3. Step 3: Cross multiply
    471,339.12x = 650,442.52 × 256,475.48
  4. Step 4: Simplify right side
    471,339.12x = 166,822,557,529.41
  5. Step 5: Solve for x
    x = 166,822,557,529.41/471,339.12
  6. Step 6: Final answer
    x = 353,933.19

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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.