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Finding the Fourth Proportional to 555,798.39, 767,016.05 and 341,057.13

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Solution

The fourth proportional to 555,798.39, 767,016.05 and 341,057.13 is: 470,667.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,798.39 : 767,016.05 = 341,057.13 : x
  2. Step 2: Convert to fraction form
    555,798.39/767,016.05 = 341,057.13/x
  3. Step 3: Cross multiply
    555,798.39x = 767,016.05 × 341,057.13
  4. Step 4: Simplify right side
    555,798.39x = 261,596,290,971.65
  5. Step 5: Solve for x
    x = 261,596,290,971.65/555,798.39
  6. Step 6: Final answer
    x = 470,667.59

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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.