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Finding the Fourth Proportional to 480,228.98, 662,694.49 and 265,364.43

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Solution

The fourth proportional to 480,228.98, 662,694.49 and 265,364.43 is: 366,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,228.98 : 662,694.49 = 265,364.43 : x
  2. Step 2: Convert to fraction form
    480,228.98/662,694.49 = 265,364.43/x
  3. Step 3: Cross multiply
    480,228.98x = 662,694.49 × 265,364.43
  4. Step 4: Simplify right side
    480,228.98x = 175,855,544,567.08
  5. Step 5: Solve for x
    x = 175,855,544,567.08/480,228.98
  6. Step 6: Final answer
    x = 366,191.03

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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.