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Finding the Fourth Proportional to 629,809.50, 944,714.93 and 156,494.86

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Solution

The fourth proportional to 629,809.50, 944,714.93 and 156,494.86 is: 234,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,809.50 : 944,714.93 = 156,494.86 : x
  2. Step 2: Convert to fraction form
    629,809.50/944,714.93 = 156,494.86/x
  3. Step 3: Cross multiply
    629,809.50x = 944,714.93 × 156,494.86
  4. Step 4: Simplify right side
    629,809.50x = 147,843,030,710.26
  5. Step 5: Solve for x
    x = 147,843,030,710.26/629,809.50
  6. Step 6: Final answer
    x = 234,742.46

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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.