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Finding the Fourth Proportional to 479,908.96, 662,261.68 and 265,044.40

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Solution

The fourth proportional to 479,908.96, 662,261.68 and 265,044.40 is: 365,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,908.96 : 662,261.68 = 265,044.40 : x
  2. Step 2: Convert to fraction form
    479,908.96/662,261.68 = 265,044.40/x
  3. Step 3: Cross multiply
    479,908.96x = 662,261.68 × 265,044.40
  4. Step 4: Simplify right side
    479,908.96x = 175,528,749,618.59
  5. Step 5: Solve for x
    x = 175,528,749,618.59/479,908.96
  6. Step 6: Final answer
    x = 365,754.27

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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.