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Finding the Fourth Proportional to 604,752.82, 907,690.46 and 305,443.58

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Solution

The fourth proportional to 604,752.82, 907,690.46 and 305,443.58 is: 458,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,752.82 : 907,690.46 = 305,443.58 : x
  2. Step 2: Convert to fraction form
    604,752.82/907,690.46 = 305,443.58/x
  3. Step 3: Cross multiply
    604,752.82x = 907,690.46 × 305,443.58
  4. Step 4: Simplify right side
    604,752.82x = 277,248,217,568.58
  5. Step 5: Solve for x
    x = 277,248,217,568.58/604,752.82
  6. Step 6: Final answer
    x = 458,448.82

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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.