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Finding the Fourth Proportional to 603,156.04, 904,909.17 and 243,141.09

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Solution

The fourth proportional to 603,156.04, 904,909.17 and 243,141.09 is: 364,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,156.04 : 904,909.17 = 243,141.09 : x
  2. Step 2: Convert to fraction form
    603,156.04/904,909.17 = 243,141.09/x
  3. Step 3: Cross multiply
    603,156.04x = 904,909.17 × 243,141.09
  4. Step 4: Simplify right side
    603,156.04x = 220,020,603,185.61
  5. Step 5: Solve for x
    x = 220,020,603,185.61/603,156.04
  6. Step 6: Final answer
    x = 364,782.23

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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.