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Finding the Fourth Proportional to 550,676.80, 824,632.80 and 525,793.60

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Solution

The fourth proportional to 550,676.80, 824,632.80 and 525,793.60 is: 787,370.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,676.80 : 824,632.80 = 525,793.60 : x
  2. Step 2: Convert to fraction form
    550,676.80/824,632.80 = 525,793.60/x
  3. Step 3: Cross multiply
    550,676.80x = 824,632.80 × 525,793.60
  4. Step 4: Simplify right side
    550,676.80x = 433,586,648,590.08
  5. Step 5: Solve for x
    x = 433,586,648,590.08/550,676.80
  6. Step 6: Final answer
    x = 787,370.47

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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.