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Finding the Fourth Proportional to 432,920.55, 597,620.03 and 330,950.28

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Solution

The fourth proportional to 432,920.55, 597,620.03 and 330,950.28 is: 456,856.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,920.55 : 597,620.03 = 330,950.28 : x
  2. Step 2: Convert to fraction form
    432,920.55/597,620.03 = 330,950.28/x
  3. Step 3: Cross multiply
    432,920.55x = 597,620.03 × 330,950.28
  4. Step 4: Simplify right side
    432,920.55x = 197,782,514,607.36
  5. Step 5: Solve for x
    x = 197,782,514,607.36/432,920.55
  6. Step 6: Final answer
    x = 456,856.38

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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.