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Finding the Fourth Proportional to 304,010.30, 419,560.10 and 176,677.70

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Solution

The fourth proportional to 304,010.30, 419,560.10 and 176,677.70 is: 243,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,010.30 : 419,560.10 = 176,677.70 : x
  2. Step 2: Convert to fraction form
    304,010.30/419,560.10 = 176,677.70/x
  3. Step 3: Cross multiply
    304,010.30x = 419,560.10 × 176,677.70
  4. Step 4: Simplify right side
    304,010.30x = 74,126,910,498.58
  5. Step 5: Solve for x
    x = 74,126,910,498.58/304,010.30
  6. Step 6: Final answer
    x = 243,830.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.