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Finding the Fourth Proportional to 480,630.88, 663,257.46 and 265,763.80

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Solution

The fourth proportional to 480,630.88, 663,257.46 and 265,763.80 is: 366,746.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,630.88 : 663,257.46 = 265,763.80 : x
  2. Step 2: Convert to fraction form
    480,630.88/663,257.46 = 265,763.80/x
  3. Step 3: Cross multiply
    480,630.88x = 663,257.46 × 265,763.80
  4. Step 4: Simplify right side
    480,630.88x = 176,269,822,947.95
  5. Step 5: Solve for x
    x = 176,269,822,947.95/480,630.88
  6. Step 6: Final answer
    x = 366,746.77

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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.