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Finding the Fourth Proportional to 662,193, 913,826.34 and 360,389.16

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Solution

The fourth proportional to 662,193, 913,826.34 and 360,389.16 is: 497,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,193 : 913,826.34 = 360,389.16 : x
  2. Step 2: Convert to fraction form
    662,193/913,826.34 = 360,389.16/x
  3. Step 3: Cross multiply
    662,193x = 913,826.34 × 360,389.16
  4. Step 4: Simplify right side
    662,193x = 329,333,107,058.47
  5. Step 5: Solve for x
    x = 329,333,107,058.47/662,193
  6. Step 6: Final answer
    x = 497,337.04

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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.