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Finding the Fourth Proportional to 560,483.77, 773,486.28 and 305,848.93

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Solution

The fourth proportional to 560,483.77, 773,486.28 and 305,848.93 is: 422,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,483.77 : 773,486.28 = 305,848.93 : x
  2. Step 2: Convert to fraction form
    560,483.77/773,486.28 = 305,848.93/x
  3. Step 3: Cross multiply
    560,483.77x = 773,486.28 × 305,848.93
  4. Step 4: Simplify right side
    560,483.77x = 236,569,951,107.68
  5. Step 5: Solve for x
    x = 236,569,951,107.68/560,483.77
  6. Step 6: Final answer
    x = 422,081.72

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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.