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Finding the Fourth Proportional to 668,924.10, 923,110.56 and 362,992.68

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Solution

The fourth proportional to 668,924.10, 923,110.56 and 362,992.68 is: 500,927.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,924.10 : 923,110.56 = 362,992.68 : x
  2. Step 2: Convert to fraction form
    668,924.10/923,110.56 = 362,992.68/x
  3. Step 3: Cross multiply
    668,924.10x = 923,110.56 × 362,992.68
  4. Step 4: Simplify right side
    668,924.10x = 335,082,376,110.70
  5. Step 5: Solve for x
    x = 335,082,376,110.70/668,924.10
  6. Step 6: Final answer
    x = 500,927.35

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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.