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Finding the Fourth Proportional to 631,624.80, 946,054.80 and 548,680.80

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Solution

The fourth proportional to 631,624.80, 946,054.80 and 548,680.80 is: 821,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,624.80 : 946,054.80 = 548,680.80 : x
  2. Step 2: Convert to fraction form
    631,624.80/946,054.80 = 548,680.80/x
  3. Step 3: Cross multiply
    631,624.80x = 946,054.80 × 548,680.80
  4. Step 4: Simplify right side
    631,624.80x = 519,082,104,507.84
  5. Step 5: Solve for x
    x = 519,082,104,507.84/631,624.80
  6. Step 6: Final answer
    x = 821,820.33

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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.