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Finding the Fourth Proportional to 480,146.30, 662,615.27 and 265,300.22

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Solution

The fourth proportional to 480,146.30, 662,615.27 and 265,300.22 is: 366,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,146.30 : 662,615.27 = 265,300.22 : x
  2. Step 2: Convert to fraction form
    480,146.30/662,615.27 = 265,300.22/x
  3. Step 3: Cross multiply
    480,146.30x = 662,615.27 × 265,300.22
  4. Step 4: Simplify right side
    480,146.30x = 175,791,972,266.78
  5. Step 5: Solve for x
    x = 175,791,972,266.78/480,146.30
  6. Step 6: Final answer
    x = 366,121.68

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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.