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Finding the Fourth Proportional to 480,373.12, 662,908.44 and 265,516.96

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Solution

The fourth proportional to 480,373.12, 662,908.44 and 265,516.96 is: 366,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,373.12 : 662,908.44 = 265,516.96 : x
  2. Step 2: Convert to fraction form
    480,373.12/662,908.44 = 265,516.96/x
  3. Step 3: Cross multiply
    480,373.12x = 662,908.44 × 265,516.96
  4. Step 4: Simplify right side
    480,373.12x = 176,013,433,747.14
  5. Step 5: Solve for x
    x = 176,013,433,747.14/480,373.12
  6. Step 6: Final answer
    x = 366,409.83

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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.