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Finding the Fourth Proportional to 550,311.80, 824,483.55 and 471,579.80

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Solution

The fourth proportional to 550,311.80, 824,483.55 and 471,579.80 is: 706,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,311.80 : 824,483.55 = 471,579.80 : x
  2. Step 2: Convert to fraction form
    550,311.80/824,483.55 = 471,579.80/x
  3. Step 3: Cross multiply
    550,311.80x = 824,483.55 × 471,579.80
  4. Step 4: Simplify right side
    550,311.80x = 388,809,787,612.29
  5. Step 5: Solve for x
    x = 388,809,787,612.29/550,311.80
  6. Step 6: Final answer
    x = 706,526.35

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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.