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Finding the Fourth Proportional to 603,099.61, 904,448.70 and 243,177.50

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Solution

The fourth proportional to 603,099.61, 904,448.70 and 243,177.50 is: 364,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,099.61 : 904,448.70 = 243,177.50 : x
  2. Step 2: Convert to fraction form
    603,099.61/904,448.70 = 243,177.50/x
  3. Step 3: Cross multiply
    603,099.61x = 904,448.70 × 243,177.50
  4. Step 4: Simplify right side
    603,099.61x = 219,941,570,917.85
  5. Step 5: Solve for x
    x = 219,941,570,917.85/603,099.61
  6. Step 6: Final answer
    x = 364,685.32

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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.