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Finding the Fourth Proportional to 478,054.94, 659,703.02 and 263,196.63

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Solution

The fourth proportional to 478,054.94, 659,703.02 and 263,196.63 is: 363,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,054.94 : 659,703.02 = 263,196.63 : x
  2. Step 2: Convert to fraction form
    478,054.94/659,703.02 = 263,196.63/x
  3. Step 3: Cross multiply
    478,054.94x = 659,703.02 × 263,196.63
  4. Step 4: Simplify right side
    478,054.94x = 173,631,610,348.84
  5. Step 5: Solve for x
    x = 173,631,610,348.84/478,054.94
  6. Step 6: Final answer
    x = 363,204.30

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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.