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Finding the Fourth Proportional to 598,910.20, 898,365.30 and 555,607.60

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Solution

The fourth proportional to 598,910.20, 898,365.30 and 555,607.60 is: 833,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,910.20 : 898,365.30 = 555,607.60 : x
  2. Step 2: Convert to fraction form
    598,910.20/898,365.30 = 555,607.60/x
  3. Step 3: Cross multiply
    598,910.20x = 898,365.30 × 555,607.60
  4. Step 4: Simplify right side
    598,910.20x = 499,138,588,256.28
  5. Step 5: Solve for x
    x = 499,138,588,256.28/598,910.20
  6. Step 6: Final answer
    x = 833,411.40

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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.