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Finding the Fourth Proportional to 637,271.20, 955,906.80 and 548,624.80

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Solution

The fourth proportional to 637,271.20, 955,906.80 and 548,624.80 is: 822,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,271.20 : 955,906.80 = 548,624.80 : x
  2. Step 2: Convert to fraction form
    637,271.20/955,906.80 = 548,624.80/x
  3. Step 3: Cross multiply
    637,271.20x = 955,906.80 × 548,624.80
  4. Step 4: Simplify right side
    637,271.20x = 524,434,176,968.64
  5. Step 5: Solve for x
    x = 524,434,176,968.64/637,271.20
  6. Step 6: Final answer
    x = 822,937.20

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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.