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Finding the Fourth Proportional to 471,367.40, 650,500.58 and 256,521.08

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Solution

The fourth proportional to 471,367.40, 650,500.58 and 256,521.08 is: 354,006.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,367.40 : 650,500.58 = 256,521.08 : x
  2. Step 2: Convert to fraction form
    471,367.40/650,500.58 = 256,521.08/x
  3. Step 3: Cross multiply
    471,367.40x = 650,500.58 × 256,521.08
  4. Step 4: Simplify right side
    471,367.40x = 166,867,111,322.23
  5. Step 5: Solve for x
    x = 166,867,111,322.23/471,367.40
  6. Step 6: Final answer
    x = 354,006.47

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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.