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Finding the Fourth Proportional to 802,547.70, 1,203,863.88 and 203,514.04

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Solution

The fourth proportional to 802,547.70, 1,203,863.88 and 203,514.04 is: 305,281.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,547.70 : 1,203,863.88 = 203,514.04 : x
  2. Step 2: Convert to fraction form
    802,547.70/1,203,863.88 = 203,514.04/x
  3. Step 3: Cross multiply
    802,547.70x = 1,203,863.88 × 203,514.04
  4. Step 4: Simplify right side
    802,547.70x = 245,003,204,096.88
  5. Step 5: Solve for x
    x = 245,003,204,096.88/802,547.70
  6. Step 6: Final answer
    x = 305,281.80

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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.