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Finding the Fourth Proportional to 603,008.64, 904,320.90 and 198,106.85

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Solution

The fourth proportional to 603,008.64, 904,320.90 and 198,106.85 is: 297,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,008.64 : 904,320.90 = 198,106.85 : x
  2. Step 2: Convert to fraction form
    603,008.64/904,320.90 = 198,106.85/x
  3. Step 3: Cross multiply
    603,008.64x = 904,320.90 × 198,106.85
  4. Step 4: Simplify right side
    603,008.64x = 179,152,160,366.56
  5. Step 5: Solve for x
    x = 179,152,160,366.56/603,008.64
  6. Step 6: Final answer
    x = 297,097.17

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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.