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Finding the Fourth Proportional to 458,849.80, 633,288.56 and 382,247.56

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Solution

The fourth proportional to 458,849.80, 633,288.56 and 382,247.56 is: 527,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,849.80 : 633,288.56 = 382,247.56 : x
  2. Step 2: Convert to fraction form
    458,849.80/633,288.56 = 382,247.56/x
  3. Step 3: Cross multiply
    458,849.80x = 633,288.56 × 382,247.56
  4. Step 4: Simplify right side
    458,849.80x = 242,073,009,924.31
  5. Step 5: Solve for x
    x = 242,073,009,924.31/458,849.80
  6. Step 6: Final answer
    x = 527,564.82

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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.