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Finding the Fourth Proportional to 473,373.47, 653,250.98 and 258,512.87

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Solution

The fourth proportional to 473,373.47, 653,250.98 and 258,512.87 is: 356,745.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,373.47 : 653,250.98 = 258,512.87 : x
  2. Step 2: Convert to fraction form
    473,373.47/653,250.98 = 258,512.87/x
  3. Step 3: Cross multiply
    473,373.47x = 653,250.98 × 258,512.87
  4. Step 4: Simplify right side
    473,373.47x = 168,873,781,111.29
  5. Step 5: Solve for x
    x = 168,873,781,111.29/473,373.47
  6. Step 6: Final answer
    x = 356,745.35

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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.