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Finding the Fourth Proportional to 758,346.67, 1,046,991.72 and 482,860

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Solution

The fourth proportional to 758,346.67, 1,046,991.72 and 482,860 is: 666,648.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,346.67 : 1,046,991.72 = 482,860 : x
  2. Step 2: Convert to fraction form
    758,346.67/1,046,991.72 = 482,860/x
  3. Step 3: Cross multiply
    758,346.67x = 1,046,991.72 × 482,860
  4. Step 4: Simplify right side
    758,346.67x = 505,550,421,919.20
  5. Step 5: Solve for x
    x = 505,550,421,919.20/758,346.67
  6. Step 6: Final answer
    x = 666,648.17

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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.