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Finding the Fourth Proportional to 548,242.56, 822,355.20 and 174,260.16

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Solution

The fourth proportional to 548,242.56, 822,355.20 and 174,260.16 is: 261,387.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,242.56 : 822,355.20 = 174,260.16 : x
  2. Step 2: Convert to fraction form
    548,242.56/822,355.20 = 174,260.16/x
  3. Step 3: Cross multiply
    548,242.56x = 822,355.20 × 174,260.16
  4. Step 4: Simplify right side
    548,242.56x = 143,303,748,728.83
  5. Step 5: Solve for x
    x = 143,303,748,728.83/548,242.56
  6. Step 6: Final answer
    x = 261,387.49

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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.