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Finding the Fourth Proportional to 329,070.30, 493,605.45 and 188,843.10

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Solution

The fourth proportional to 329,070.30, 493,605.45 and 188,843.10 is: 283,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,070.30 : 493,605.45 = 188,843.10 : x
  2. Step 2: Convert to fraction form
    329,070.30/493,605.45 = 188,843.10/x
  3. Step 3: Cross multiply
    329,070.30x = 493,605.45 × 188,843.10
  4. Step 4: Simplify right side
    329,070.30x = 93,213,983,354.90
  5. Step 5: Solve for x
    x = 93,213,983,354.90/329,070.30
  6. Step 6: Final answer
    x = 283,264.65

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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.