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Finding the Fourth Proportional to 473,480.40, 653,402.24 and 258,620.48

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Solution

The fourth proportional to 473,480.40, 653,402.24 and 258,620.48 is: 356,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,480.40 : 653,402.24 = 258,620.48 : x
  2. Step 2: Convert to fraction form
    473,480.40/653,402.24 = 258,620.48/x
  3. Step 3: Cross multiply
    473,480.40x = 653,402.24 × 258,620.48
  4. Step 4: Simplify right side
    473,480.40x = 168,983,200,941.88
  5. Step 5: Solve for x
    x = 168,983,200,941.88/473,480.40
  6. Step 6: Final answer
    x = 356,895.87

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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.