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Finding the Fourth Proportional to 480,143.50, 662,611.40 and 265,297.41

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Solution

The fourth proportional to 480,143.50, 662,611.40 and 265,297.41 is: 366,117.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,143.50 : 662,611.40 = 265,297.41 : x
  2. Step 2: Convert to fraction form
    480,143.50/662,611.40 = 265,297.41/x
  3. Step 3: Cross multiply
    480,143.50x = 662,611.40 × 265,297.41
  4. Step 4: Simplify right side
    480,143.50x = 175,789,088,256.47
  5. Step 5: Solve for x
    x = 175,789,088,256.47/480,143.50
  6. Step 6: Final answer
    x = 366,117.81

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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.