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Finding the Fourth Proportional to 548,605.60, 822,908.40 and 174,666.40

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Solution

The fourth proportional to 548,605.60, 822,908.40 and 174,666.40 is: 261,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,605.60 : 822,908.40 = 174,666.40 : x
  2. Step 2: Convert to fraction form
    548,605.60/822,908.40 = 174,666.40/x
  3. Step 3: Cross multiply
    548,605.60x = 822,908.40 × 174,666.40
  4. Step 4: Simplify right side
    548,605.60x = 143,734,447,757.76
  5. Step 5: Solve for x
    x = 143,734,447,757.76/548,605.60
  6. Step 6: Final answer
    x = 261,999.60

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1.5x scale

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.