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Finding the Fourth Proportional to 480,516.54, 663,126.68 and 265,670.46

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Solution

The fourth proportional to 480,516.54, 663,126.68 and 265,670.46 is: 366,632.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,516.54 : 663,126.68 = 265,670.46 : x
  2. Step 2: Convert to fraction form
    480,516.54/663,126.68 = 265,670.46/x
  3. Step 3: Cross multiply
    480,516.54x = 663,126.68 × 265,670.46
  4. Step 4: Simplify right side
    480,516.54x = 176,173,170,113.87
  5. Step 5: Solve for x
    x = 176,173,170,113.87/480,516.54
  6. Step 6: Final answer
    x = 366,632.89

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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.