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Finding the Fourth Proportional to 560,316.65, 773,235.99 and 305,667.83

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Solution

The fourth proportional to 560,316.65, 773,235.99 and 305,667.83 is: 421,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,316.65 : 773,235.99 = 305,667.83 : x
  2. Step 2: Convert to fraction form
    560,316.65/773,235.99 = 305,667.83/x
  3. Step 3: Cross multiply
    560,316.65x = 773,235.99 × 305,667.83
  4. Step 4: Simplify right side
    560,316.65x = 236,353,367,141.20
  5. Step 5: Solve for x
    x = 236,353,367,141.20/560,316.65
  6. Step 6: Final answer
    x = 421,821.07

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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.