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Finding the Fourth Proportional to 603,188.64, 904,773.60 and 147,784.32

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Solution

The fourth proportional to 603,188.64, 904,773.60 and 147,784.32 is: 221,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,188.64 : 904,773.60 = 147,784.32 : x
  2. Step 2: Convert to fraction form
    603,188.64/904,773.60 = 147,784.32/x
  3. Step 3: Cross multiply
    603,188.64x = 904,773.60 × 147,784.32
  4. Step 4: Simplify right side
    603,188.64x = 133,711,351,229.95
  5. Step 5: Solve for x
    x = 133,711,351,229.95/603,188.64
  6. Step 6: Final answer
    x = 221,674.19

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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.