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Finding the Fourth Proportional to 616,669.89, 851,010.75 and 344,752.89

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Solution

The fourth proportional to 616,669.89, 851,010.75 and 344,752.89 is: 475,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,669.89 : 851,010.75 = 344,752.89 : x
  2. Step 2: Convert to fraction form
    616,669.89/851,010.75 = 344,752.89/x
  3. Step 3: Cross multiply
    616,669.89x = 851,010.75 × 344,752.89
  4. Step 4: Simplify right side
    616,669.89x = 293,388,412,292.28
  5. Step 5: Solve for x
    x = 293,388,412,292.28/616,669.89
  6. Step 6: Final answer
    x = 475,762.51

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1.5x scale

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.