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Finding the Fourth Proportional to 476,987.80, 658,211.34 and 262,123.24

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Solution

The fourth proportional to 476,987.80, 658,211.34 and 262,123.24 is: 361,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,987.80 : 658,211.34 = 262,123.24 : x
  2. Step 2: Convert to fraction form
    476,987.80/658,211.34 = 262,123.24/x
  3. Step 3: Cross multiply
    476,987.80x = 658,211.34 × 262,123.24
  4. Step 4: Simplify right side
    476,987.80x = 172,532,489,045.54
  5. Step 5: Solve for x
    x = 172,532,489,045.54/476,987.80
  6. Step 6: Final answer
    x = 361,712.58

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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.