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Finding the Fourth Proportional to 598,978.40, 898,467.60 and 243,809.60

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Solution

The fourth proportional to 598,978.40, 898,467.60 and 243,809.60 is: 365,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,978.40 : 898,467.60 = 243,809.60 : x
  2. Step 2: Convert to fraction form
    598,978.40/898,467.60 = 243,809.60/x
  3. Step 3: Cross multiply
    598,978.40x = 898,467.60 × 243,809.60
  4. Step 4: Simplify right side
    598,978.40x = 219,055,026,168.96
  5. Step 5: Solve for x
    x = 219,055,026,168.96/598,978.40
  6. Step 6: Final answer
    x = 365,714.40

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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.