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Finding the Fourth Proportional to 672,004.40, 967,561.92 and 672,004.40

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Solution

The fourth proportional to 672,004.40, 967,561.92 and 672,004.40 is: 967,561.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,004.40 : 967,561.92 = 672,004.40 : x
  2. Step 2: Convert to fraction form
    672,004.40/967,561.92 = 672,004.40/x
  3. Step 3: Cross multiply
    672,004.40x = 967,561.92 × 672,004.40
  4. Step 4: Simplify right side
    672,004.40x = 650,205,867,512.45
  5. Step 5: Solve for x
    x = 650,205,867,512.45/672,004.40
  6. Step 6: Final answer
    x = 967,561.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.