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Finding the Fourth Proportional to 631,788.80, 946,300.80 and 548,844.80

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Solution

The fourth proportional to 631,788.80, 946,300.80 and 548,844.80 is: 822,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,788.80 : 946,300.80 = 548,844.80 : x
  2. Step 2: Convert to fraction form
    631,788.80/946,300.80 = 548,844.80/x
  3. Step 3: Cross multiply
    631,788.80x = 946,300.80 × 548,844.80
  4. Step 4: Simplify right side
    631,788.80x = 519,372,273,315.84
  5. Step 5: Solve for x
    x = 519,372,273,315.84/631,788.80
  6. Step 6: Final answer
    x = 822,066.29

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Double scale
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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.