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Finding the Fourth Proportional to 598,714.14, 898,071.21 and 177,989.34

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Solution

The fourth proportional to 598,714.14, 898,071.21 and 177,989.34 is: 266,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,714.14 : 898,071.21 = 177,989.34 : x
  2. Step 2: Convert to fraction form
    598,714.14/898,071.21 = 177,989.34/x
  3. Step 3: Cross multiply
    598,714.14x = 898,071.21 × 177,989.34
  4. Step 4: Simplify right side
    598,714.14x = 159,847,101,940.90
  5. Step 5: Solve for x
    x = 159,847,101,940.90/598,714.14
  6. Step 6: Final answer
    x = 266,984.01

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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.