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Finding the Fourth Proportional to 451,758.70, 677,590.53 and 185,547.34

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Solution

The fourth proportional to 451,758.70, 677,590.53 and 185,547.34 is: 278,301.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,758.70 : 677,590.53 = 185,547.34 : x
  2. Step 2: Convert to fraction form
    451,758.70/677,590.53 = 185,547.34/x
  3. Step 3: Cross multiply
    451,758.70x = 677,590.53 × 185,547.34
  4. Step 4: Simplify right side
    451,758.70x = 125,725,120,450.69
  5. Step 5: Solve for x
    x = 125,725,120,450.69/451,758.70
  6. Step 6: Final answer
    x = 278,301.49

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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.