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Finding the Fourth Proportional to 561,427.40, 774,826.86 and 332,058.93

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Solution

The fourth proportional to 561,427.40, 774,826.86 and 332,058.93 is: 458,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,427.40 : 774,826.86 = 332,058.93 : x
  2. Step 2: Convert to fraction form
    561,427.40/774,826.86 = 332,058.93/x
  3. Step 3: Cross multiply
    561,427.40x = 774,826.86 × 332,058.93
  4. Step 4: Simplify right side
    561,427.40x = 257,288,176,406.48
  5. Step 5: Solve for x
    x = 257,288,176,406.48/561,427.40
  6. Step 6: Final answer
    x = 458,275.06

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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.