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Finding the Fourth Proportional to 654,999.36, 903,892.72 and 364,606.32

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Solution

The fourth proportional to 654,999.36, 903,892.72 and 364,606.32 is: 503,153.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,999.36 : 903,892.72 = 364,606.32 : x
  2. Step 2: Convert to fraction form
    654,999.36/903,892.72 = 364,606.32/x
  3. Step 3: Cross multiply
    654,999.36x = 903,892.72 × 364,606.32
  4. Step 4: Simplify right side
    654,999.36x = 329,564,998,313.99
  5. Step 5: Solve for x
    x = 329,564,998,313.99/654,999.36
  6. Step 6: Final answer
    x = 503,153.16

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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.