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Finding the Fourth Proportional to 598,242.71, 825,577.50 and 326,316.45

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Solution

The fourth proportional to 598,242.71, 825,577.50 and 326,316.45 is: 450,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,242.71 : 825,577.50 = 326,316.45 : x
  2. Step 2: Convert to fraction form
    598,242.71/825,577.50 = 326,316.45/x
  3. Step 3: Cross multiply
    598,242.71x = 825,577.50 × 326,316.45
  4. Step 4: Simplify right side
    598,242.71x = 269,399,518,999.88
  5. Step 5: Solve for x
    x = 269,399,518,999.88/598,242.71
  6. Step 6: Final answer
    x = 450,318.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.