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Finding the Fourth Proportional to 399,859.24, 599,492.54 and 242,050.36

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Solution

The fourth proportional to 399,859.24, 599,492.54 and 242,050.36 is: 362,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,859.24 : 599,492.54 = 242,050.36 : x
  2. Step 2: Convert to fraction form
    399,859.24/599,492.54 = 242,050.36/x
  3. Step 3: Cross multiply
    399,859.24x = 599,492.54 × 242,050.36
  4. Step 4: Simplify right side
    399,859.24x = 145,107,385,124.31
  5. Step 5: Solve for x
    x = 145,107,385,124.31/399,859.24
  6. Step 6: Final answer
    x = 362,896.17

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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.