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Finding the Fourth Proportional to 555,707.37, 766,876.95 and 301,058.56

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Solution

The fourth proportional to 555,707.37, 766,876.95 and 301,058.56 is: 415,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,707.37 : 766,876.95 = 301,058.56 : x
  2. Step 2: Convert to fraction form
    555,707.37/766,876.95 = 301,058.56/x
  3. Step 3: Cross multiply
    555,707.37x = 766,876.95 × 301,058.56
  4. Step 4: Simplify right side
    555,707.37x = 230,874,870,264.19
  5. Step 5: Solve for x
    x = 230,874,870,264.19/555,707.37
  6. Step 6: Final answer
    x = 415,461.24

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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.