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Finding the Fourth Proportional to 469,535.65, 647,445.68 and 348,900.73

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Solution

The fourth proportional to 469,535.65, 647,445.68 and 348,900.73 is: 481,101.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,535.65 : 647,445.68 = 348,900.73 : x
  2. Step 2: Convert to fraction form
    469,535.65/647,445.68 = 348,900.73/x
  3. Step 3: Cross multiply
    469,535.65x = 647,445.68 × 348,900.73
  4. Step 4: Simplify right side
    469,535.65x = 225,894,267,150.12
  5. Step 5: Solve for x
    x = 225,894,267,150.12/469,535.65
  6. Step 6: Final answer
    x = 481,101.42

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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.