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Finding the Fourth Proportional to 480,264.46, 662,708.56 and 265,391.71

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Solution

The fourth proportional to 480,264.46, 662,708.56 and 265,391.71 is: 366,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,264.46 : 662,708.56 = 265,391.71 : x
  2. Step 2: Convert to fraction form
    480,264.46/662,708.56 = 265,391.71/x
  3. Step 3: Cross multiply
    480,264.46x = 662,708.56 × 265,391.71
  4. Step 4: Simplify right side
    480,264.46x = 175,877,353,993.02
  5. Step 5: Solve for x
    x = 175,877,353,993.02/480,264.46
  6. Step 6: Final answer
    x = 366,209.39

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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.