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Finding the Fourth Proportional to 469,924.00, 648,495.77 and 255,064.11

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Solution

The fourth proportional to 469,924.00, 648,495.77 and 255,064.11 is: 351,988.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,924.00 : 648,495.77 = 255,064.11 : x
  2. Step 2: Convert to fraction form
    469,924.00/648,495.77 = 255,064.11/x
  3. Step 3: Cross multiply
    469,924.00x = 648,495.77 × 255,064.11
  4. Step 4: Simplify right side
    469,924.00x = 165,407,994,141.37
  5. Step 5: Solve for x
    x = 165,407,994,141.37/469,924.00
  6. Step 6: Final answer
    x = 351,988.82

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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.