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Finding the Fourth Proportional to 484,598.46, 726,897.50 and 129,603.26

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Solution

The fourth proportional to 484,598.46, 726,897.50 and 129,603.26 is: 194,404.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,598.46 : 726,897.50 = 129,603.26 : x
  2. Step 2: Convert to fraction form
    484,598.46/726,897.50 = 129,603.26/x
  3. Step 3: Cross multiply
    484,598.46x = 726,897.50 × 129,603.26
  4. Step 4: Simplify right side
    484,598.46x = 94,208,285,685.85
  5. Step 5: Solve for x
    x = 94,208,285,685.85/484,598.46
  6. Step 6: Final answer
    x = 194,404.84

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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.