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Finding the Fourth Proportional to 471,225.28, 650,232.48 and 318,595.84

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Solution

The fourth proportional to 471,225.28, 650,232.48 and 318,595.84 is: 439,622.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,225.28 : 650,232.48 = 318,595.84 : x
  2. Step 2: Convert to fraction form
    471,225.28/650,232.48 = 318,595.84/x
  3. Step 3: Cross multiply
    471,225.28x = 650,232.48 × 318,595.84
  4. Step 4: Simplify right side
    471,225.28x = 207,161,363,160.88
  5. Step 5: Solve for x
    x = 207,161,363,160.88/471,225.28
  6. Step 6: Final answer
    x = 439,622.77

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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.