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Finding the Fourth Proportional to 545,959.35, 753,022.80 and 361,864.98

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Solution

The fourth proportional to 545,959.35, 753,022.80 and 361,864.98 is: 499,107.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,959.35 : 753,022.80 = 361,864.98 : x
  2. Step 2: Convert to fraction form
    545,959.35/753,022.80 = 361,864.98/x
  3. Step 3: Cross multiply
    545,959.35x = 753,022.80 × 361,864.98
  4. Step 4: Simplify right side
    545,959.35x = 272,492,580,461.54
  5. Step 5: Solve for x
    x = 272,492,580,461.54/545,959.35
  6. Step 6: Final answer
    x = 499,107.82

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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.