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Finding the Fourth Proportional to 480,511.26, 663,106.74 and 262,734

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Solution

The fourth proportional to 480,511.26, 663,106.74 and 262,734 is: 362,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,511.26 : 663,106.74 = 262,734 : x
  2. Step 2: Convert to fraction form
    480,511.26/663,106.74 = 262,734/x
  3. Step 3: Cross multiply
    480,511.26x = 663,106.74 × 262,734
  4. Step 4: Simplify right side
    480,511.26x = 174,220,686,227.16
  5. Step 5: Solve for x
    x = 174,220,686,227.16/480,511.26
  6. Step 6: Final answer
    x = 362,573.58

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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.