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Finding the Fourth Proportional to 473,268.54, 653,105.62 and 258,407.94

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Solution

The fourth proportional to 473,268.54, 653,105.62 and 258,407.94 is: 356,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,268.54 : 653,105.62 = 258,407.94 : x
  2. Step 2: Convert to fraction form
    473,268.54/653,105.62 = 258,407.94/x
  3. Step 3: Cross multiply
    473,268.54x = 653,105.62 × 258,407.94
  4. Step 4: Simplify right side
    473,268.54x = 168,767,677,866.62
  5. Step 5: Solve for x
    x = 168,767,677,866.62/473,268.54
  6. Step 6: Final answer
    x = 356,600.25

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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.