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Finding the Fourth Proportional to 432,604.64, 648,480.48 and 151,925.06

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Solution

The fourth proportional to 432,604.64, 648,480.48 and 151,925.06 is: 227,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,604.64 : 648,480.48 = 151,925.06 : x
  2. Step 2: Convert to fraction form
    432,604.64/648,480.48 = 151,925.06/x
  3. Step 3: Cross multiply
    432,604.64x = 648,480.48 × 151,925.06
  4. Step 4: Simplify right side
    432,604.64x = 98,520,435,832.83
  5. Step 5: Solve for x
    x = 98,520,435,832.83/432,604.64
  6. Step 6: Final answer
    x = 227,737.82

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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.