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Finding the Fourth Proportional to 545,756.22, 753,141.69 and 304,024.50

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Solution

The fourth proportional to 545,756.22, 753,141.69 and 304,024.50 is: 419,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,756.22 : 753,141.69 = 304,024.50 : x
  2. Step 2: Convert to fraction form
    545,756.22/753,141.69 = 304,024.50/x
  3. Step 3: Cross multiply
    545,756.22x = 753,141.69 × 304,024.50
  4. Step 4: Simplify right side
    545,756.22x = 228,973,525,731.41
  5. Step 5: Solve for x
    x = 228,973,525,731.41/545,756.22
  6. Step 6: Final answer
    x = 419,552.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.