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Finding the Fourth Proportional to 708,883.32, 1,063,324.98 and 210,243

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Solution

The fourth proportional to 708,883.32, 1,063,324.98 and 210,243 is: 315,364.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,883.32 : 1,063,324.98 = 210,243 : x
  2. Step 2: Convert to fraction form
    708,883.32/1,063,324.98 = 210,243/x
  3. Step 3: Cross multiply
    708,883.32x = 1,063,324.98 × 210,243
  4. Step 4: Simplify right side
    708,883.32x = 223,556,633,770.14
  5. Step 5: Solve for x
    x = 223,556,633,770.14/708,883.32
  6. Step 6: Final answer
    x = 315,364.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.