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Finding the Fourth Proportional to 550,811.10, 826,216.65 and 462,237.60

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Solution

The fourth proportional to 550,811.10, 826,216.65 and 462,237.60 is: 693,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,811.10 : 826,216.65 = 462,237.60 : x
  2. Step 2: Convert to fraction form
    550,811.10/826,216.65 = 462,237.60/x
  3. Step 3: Cross multiply
    550,811.10x = 826,216.65 × 462,237.60
  4. Step 4: Simplify right side
    550,811.10x = 381,908,401,376.04
  5. Step 5: Solve for x
    x = 381,908,401,376.04/550,811.10
  6. Step 6: Final answer
    x = 693,356.40

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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.