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Finding the Fourth Proportional to 598,804.10, 898,206.15 and 520,072.10

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Solution

The fourth proportional to 598,804.10, 898,206.15 and 520,072.10 is: 780,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,804.10 : 898,206.15 = 520,072.10 : x
  2. Step 2: Convert to fraction form
    598,804.10/898,206.15 = 520,072.10/x
  3. Step 3: Cross multiply
    598,804.10x = 898,206.15 × 520,072.10
  4. Step 4: Simplify right side
    598,804.10x = 467,131,958,663.42
  5. Step 5: Solve for x
    x = 467,131,958,663.42/598,804.10
  6. Step 6: Final answer
    x = 780,108.15

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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.