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Finding the Fourth Proportional to 587,326.40, 882,868.80 and 545,724.80

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Solution

The fourth proportional to 587,326.40, 882,868.80 and 545,724.80 is: 820,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,326.40 : 882,868.80 = 545,724.80 : x
  2. Step 2: Convert to fraction form
    587,326.40/882,868.80 = 545,724.80/x
  3. Step 3: Cross multiply
    587,326.40x = 882,868.80 × 545,724.80
  4. Step 4: Simplify right side
    587,326.40x = 481,803,399,306.24
  5. Step 5: Solve for x
    x = 481,803,399,306.24/587,326.40
  6. Step 6: Final answer
    x = 820,333.29

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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.