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Finding the Fourth Proportional to 804,179.75, 1,109,780.76 and 436,656.67

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Solution

The fourth proportional to 804,179.75, 1,109,780.76 and 436,656.67 is: 602,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,179.75 : 1,109,780.76 = 436,656.67 : x
  2. Step 2: Convert to fraction form
    804,179.75/1,109,780.76 = 436,656.67/x
  3. Step 3: Cross multiply
    804,179.75x = 1,109,780.76 × 436,656.67
  4. Step 4: Simplify right side
    804,179.75x = 484,593,171,091.67
  5. Step 5: Solve for x
    x = 484,593,171,091.67/804,179.75
  6. Step 6: Final answer
    x = 602,593.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.