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Finding the Fourth Proportional to 364,830.30, 547,245.45 and 329,838.30

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Solution

The fourth proportional to 364,830.30, 547,245.45 and 329,838.30 is: 494,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,830.30 : 547,245.45 = 329,838.30 : x
  2. Step 2: Convert to fraction form
    364,830.30/547,245.45 = 329,838.30/x
  3. Step 3: Cross multiply
    364,830.30x = 547,245.45 × 329,838.30
  4. Step 4: Simplify right side
    364,830.30x = 180,502,508,910.74
  5. Step 5: Solve for x
    x = 180,502,508,910.74/364,830.30
  6. Step 6: Final answer
    x = 494,757.45

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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.