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Finding the Fourth Proportional to 480,414.88, 662,972.32 and 265,555.04

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Solution

The fourth proportional to 480,414.88, 662,972.32 and 265,555.04 is: 366,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,414.88 : 662,972.32 = 265,555.04 : x
  2. Step 2: Convert to fraction form
    480,414.88/662,972.32 = 265,555.04/x
  3. Step 3: Cross multiply
    480,414.88x = 662,972.32 × 265,555.04
  4. Step 4: Simplify right side
    480,414.88x = 176,055,640,956.49
  5. Step 5: Solve for x
    x = 176,055,640,956.49/480,414.88
  6. Step 6: Final answer
    x = 366,465.84

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1.5x scale

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.