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Finding the Fourth Proportional to 397,323.45, 596,250.18 and 144,603.88

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Solution

The fourth proportional to 397,323.45, 596,250.18 and 144,603.88 is: 217,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,323.45 : 596,250.18 = 144,603.88 : x
  2. Step 2: Convert to fraction form
    397,323.45/596,250.18 = 144,603.88/x
  3. Step 3: Cross multiply
    397,323.45x = 596,250.18 × 144,603.88
  4. Step 4: Simplify right side
    397,323.45x = 86,220,087,988.07
  5. Step 5: Solve for x
    x = 86,220,087,988.07/397,323.45
  6. Step 6: Final answer
    x = 217,002.26

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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.