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Finding the Fourth Proportional to 479,915.07, 662,269.93 and 265,039.89

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Solution

The fourth proportional to 479,915.07, 662,269.93 and 265,039.89 is: 365,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,915.07 : 662,269.93 = 265,039.89 : x
  2. Step 2: Convert to fraction form
    479,915.07/662,269.93 = 265,039.89/x
  3. Step 3: Cross multiply
    479,915.07x = 662,269.93 × 265,039.89
  4. Step 4: Simplify right side
    479,915.07x = 175,527,949,397.51
  5. Step 5: Solve for x
    x = 175,527,949,397.51/479,915.07
  6. Step 6: Final answer
    x = 365,747.94

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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.