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Finding the Fourth Proportional to 504,983.01, 696,390.46 and 339,783.18

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Solution

The fourth proportional to 504,983.01, 696,390.46 and 339,783.18 is: 468,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,983.01 : 696,390.46 = 339,783.18 : x
  2. Step 2: Convert to fraction form
    504,983.01/696,390.46 = 339,783.18/x
  3. Step 3: Cross multiply
    504,983.01x = 696,390.46 × 339,783.18
  4. Step 4: Simplify right side
    504,983.01x = 236,621,765,429.42
  5. Step 5: Solve for x
    x = 236,621,765,429.42/504,983.01
  6. Step 6: Final answer
    x = 468,573.72

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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.