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Finding the Fourth Proportional to 453,670.80, 680,506.20 and 304,371.60

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Solution

The fourth proportional to 453,670.80, 680,506.20 and 304,371.60 is: 456,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,670.80 : 680,506.20 = 304,371.60 : x
  2. Step 2: Convert to fraction form
    453,670.80/680,506.20 = 304,371.60/x
  3. Step 3: Cross multiply
    453,670.80x = 680,506.20 × 304,371.60
  4. Step 4: Simplify right side
    453,670.80x = 207,126,760,903.92
  5. Step 5: Solve for x
    x = 207,126,760,903.92/453,670.80
  6. Step 6: Final answer
    x = 456,557.40

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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.