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Finding the Fourth Proportional to 598,913.70, 898,370.55 and 555,611.10

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Solution

The fourth proportional to 598,913.70, 898,370.55 and 555,611.10 is: 833,416.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,913.70 : 898,370.55 = 555,611.10 : x
  2. Step 2: Convert to fraction form
    598,913.70/898,370.55 = 555,611.10/x
  3. Step 3: Cross multiply
    598,913.70x = 898,370.55 × 555,611.10
  4. Step 4: Simplify right side
    598,913.70x = 499,144,649,493.11
  5. Step 5: Solve for x
    x = 499,144,649,493.11/598,913.70
  6. Step 6: Final answer
    x = 833,416.65

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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.