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Finding the Fourth Proportional to 341,805.80, 512,503.90 and 175,917.80

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Solution

The fourth proportional to 341,805.80, 512,503.90 and 175,917.80 is: 263,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,805.80 : 512,503.90 = 175,917.80 : x
  2. Step 2: Convert to fraction form
    341,805.80/512,503.90 = 175,917.80/x
  3. Step 3: Cross multiply
    341,805.80x = 512,503.90 × 175,917.80
  4. Step 4: Simplify right side
    341,805.80x = 90,158,558,579.42
  5. Step 5: Solve for x
    x = 90,158,558,579.42/341,805.80
  6. Step 6: Final answer
    x = 263,771.30

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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.