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Finding the Fourth Proportional to 598,846.80, 897,233.40 and 388,376.40

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Solution

The fourth proportional to 598,846.80, 897,233.40 and 388,376.40 is: 581,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,846.80 : 897,233.40 = 388,376.40 : x
  2. Step 2: Convert to fraction form
    598,846.80/897,233.40 = 388,376.40/x
  3. Step 3: Cross multiply
    598,846.80x = 897,233.40 × 388,376.40
  4. Step 4: Simplify right side
    598,846.80x = 348,464,277,851.76
  5. Step 5: Solve for x
    x = 348,464,277,851.76/598,846.80
  6. Step 6: Final answer
    x = 581,892.19

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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.