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Finding the Fourth Proportional to 668,949.16, 923,150.16 and 382,474.84

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Solution

The fourth proportional to 668,949.16, 923,150.16 and 382,474.84 is: 527,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,949.16 : 923,150.16 = 382,474.84 : x
  2. Step 2: Convert to fraction form
    668,949.16/923,150.16 = 382,474.84/x
  3. Step 3: Cross multiply
    668,949.16x = 923,150.16 × 382,474.84
  4. Step 4: Simplify right side
    668,949.16x = 353,081,709,741.97
  5. Step 5: Solve for x
    x = 353,081,709,741.97/668,949.16
  6. Step 6: Final answer
    x = 527,815.46

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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.