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Finding the Fourth Proportional to 535,480.69, 739,010.04 and 293,810.51

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Solution

The fourth proportional to 535,480.69, 739,010.04 and 293,810.51 is: 405,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,480.69 : 739,010.04 = 293,810.51 : x
  2. Step 2: Convert to fraction form
    535,480.69/739,010.04 = 293,810.51/x
  3. Step 3: Cross multiply
    535,480.69x = 739,010.04 × 293,810.51
  4. Step 4: Simplify right side
    535,480.69x = 217,128,916,747.52
  5. Step 5: Solve for x
    x = 217,128,916,747.52/535,480.69
  6. Step 6: Final answer
    x = 405,484.12

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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.