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Finding the Fourth Proportional to 480,911.98, 663,600.82 and 277,029.58

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Solution

The fourth proportional to 480,911.98, 663,600.82 and 277,029.58 is: 382,267.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,911.98 : 663,600.82 = 277,029.58 : x
  2. Step 2: Convert to fraction form
    480,911.98/663,600.82 = 277,029.58/x
  3. Step 3: Cross multiply
    480,911.98x = 663,600.82 × 277,029.58
  4. Step 4: Simplify right side
    480,911.98x = 183,837,056,452.26
  5. Step 5: Solve for x
    x = 183,837,056,452.26/480,911.98
  6. Step 6: Final answer
    x = 382,267.58

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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.