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Finding the Fourth Proportional to 561,949.60, 842,924.40 and 372,992.80

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Solution

The fourth proportional to 561,949.60, 842,924.40 and 372,992.80 is: 559,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,949.60 : 842,924.40 = 372,992.80 : x
  2. Step 2: Convert to fraction form
    561,949.60/842,924.40 = 372,992.80/x
  3. Step 3: Cross multiply
    561,949.60x = 842,924.40 × 372,992.80
  4. Step 4: Simplify right side
    561,949.60x = 314,404,732,144.32
  5. Step 5: Solve for x
    x = 314,404,732,144.32/561,949.60
  6. Step 6: Final answer
    x = 559,489.20

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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.