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Finding the Fourth Proportional to 341,514.70, 512,417.85 and 163,930.30

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Solution

The fourth proportional to 341,514.70, 512,417.85 and 163,930.30 is: 245,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,514.70 : 512,417.85 = 163,930.30 : x
  2. Step 2: Convert to fraction form
    341,514.70/512,417.85 = 163,930.30/x
  3. Step 3: Cross multiply
    341,514.70x = 512,417.85 × 163,930.30
  4. Step 4: Simplify right side
    341,514.70x = 84,000,811,875.86
  5. Step 5: Solve for x
    x = 84,000,811,875.86/341,514.70
  6. Step 6: Final answer
    x = 245,965.44

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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.