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Finding the Fourth Proportional to 550,331.31, 759,135.49 and 346,058.83

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Solution

The fourth proportional to 550,331.31, 759,135.49 and 346,058.83 is: 477,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,331.31 : 759,135.49 = 346,058.83 : x
  2. Step 2: Convert to fraction form
    550,331.31/759,135.49 = 346,058.83/x
  3. Step 3: Cross multiply
    550,331.31x = 759,135.49 × 346,058.83
  4. Step 4: Simplify right side
    550,331.31x = 262,705,541,511.23
  5. Step 5: Solve for x
    x = 262,705,541,511.23/550,331.31
  6. Step 6: Final answer
    x = 477,358.88

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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.