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Finding the Fourth Proportional to 527,556.16, 728,063.22 and 298,033.84

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Solution

The fourth proportional to 527,556.16, 728,063.22 and 298,033.84 is: 411,306.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,556.16 : 728,063.22 = 298,033.84 : x
  2. Step 2: Convert to fraction form
    527,556.16/728,063.22 = 298,033.84/x
  3. Step 3: Cross multiply
    527,556.16x = 728,063.22 × 298,033.84
  4. Step 4: Simplify right side
    527,556.16x = 216,987,477,219.37
  5. Step 5: Solve for x
    x = 216,987,477,219.37/527,556.16
  6. Step 6: Final answer
    x = 411,306.88

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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.