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Finding the Fourth Proportional to 587,622.80, 882,503.40 and 514,139.60

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Solution

The fourth proportional to 587,622.80, 882,503.40 and 514,139.60 is: 772,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,622.80 : 882,503.40 = 514,139.60 : x
  2. Step 2: Convert to fraction form
    587,622.80/882,503.40 = 514,139.60/x
  3. Step 3: Cross multiply
    587,622.80x = 882,503.40 × 514,139.60
  4. Step 4: Simplify right side
    587,622.80x = 453,729,945,074.64
  5. Step 5: Solve for x
    x = 453,729,945,074.64/587,622.80
  6. Step 6: Final answer
    x = 772,144.89

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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.