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Finding the Fourth Proportional to 469,808.51, 648,337.44 and 254,948.52

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Solution

The fourth proportional to 469,808.51, 648,337.44 and 254,948.52 is: 351,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,808.51 : 648,337.44 = 254,948.52 : x
  2. Step 2: Convert to fraction form
    469,808.51/648,337.44 = 254,948.52/x
  3. Step 3: Cross multiply
    469,808.51x = 648,337.44 × 254,948.52
  4. Step 4: Simplify right side
    469,808.51x = 165,292,670,788.59
  5. Step 5: Solve for x
    x = 165,292,670,788.59/469,808.51
  6. Step 6: Final answer
    x = 351,829.88

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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.