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Finding the Fourth Proportional to 432,231.32, 648,803.51 and 242,853.53

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Solution

The fourth proportional to 432,231.32, 648,803.51 and 242,853.53 is: 364,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,231.32 : 648,803.51 = 242,853.53 : x
  2. Step 2: Convert to fraction form
    432,231.32/648,803.51 = 242,853.53/x
  3. Step 3: Cross multiply
    432,231.32x = 648,803.51 × 242,853.53
  4. Step 4: Simplify right side
    432,231.32x = 157,564,218,221.61
  5. Step 5: Solve for x
    x = 157,564,218,221.61/432,231.32
  6. Step 6: Final answer
    x = 364,536.79

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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.