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Finding the Fourth Proportional to 560,484.77, 773,487.66 and 305,849.93

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Solution

The fourth proportional to 560,484.77, 773,487.66 and 305,849.93 is: 422,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,484.77 : 773,487.66 = 305,849.93 : x
  2. Step 2: Convert to fraction form
    560,484.77/773,487.66 = 305,849.93/x
  3. Step 3: Cross multiply
    560,484.77x = 773,487.66 × 305,849.93
  4. Step 4: Simplify right side
    560,484.77x = 236,571,146,666.86
  5. Step 5: Solve for x
    x = 236,571,146,666.86/560,484.77
  6. Step 6: Final answer
    x = 422,083.10

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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.