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Finding the Fourth Proportional to 473,640.93, 653,633.89 and 258,794.33

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Solution

The fourth proportional to 473,640.93, 653,633.89 and 258,794.33 is: 357,141.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,640.93 : 653,633.89 = 258,794.33 : x
  2. Step 2: Convert to fraction form
    473,640.93/653,633.89 = 258,794.33/x
  3. Step 3: Cross multiply
    473,640.93x = 653,633.89 × 258,794.33
  4. Step 4: Simplify right side
    473,640.93x = 169,156,740,712.69
  5. Step 5: Solve for x
    x = 169,156,740,712.69/473,640.93
  6. Step 6: Final answer
    x = 357,141.31

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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.