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Finding the Fourth Proportional to 329,108.80, 493,663.20 and 188,881.60

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Solution

The fourth proportional to 329,108.80, 493,663.20 and 188,881.60 is: 283,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,108.80 : 493,663.20 = 188,881.60 : x
  2. Step 2: Convert to fraction form
    329,108.80/493,663.20 = 188,881.60/x
  3. Step 3: Cross multiply
    329,108.80x = 493,663.20 × 188,881.60
  4. Step 4: Simplify right side
    329,108.80x = 93,243,895,077.12
  5. Step 5: Solve for x
    x = 93,243,895,077.12/329,108.80
  6. Step 6: Final answer
    x = 283,322.40

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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.