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Finding the Fourth Proportional to 473,618.43, 653,602.86 and 258,771.83

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Solution

The fourth proportional to 473,618.43, 653,602.86 and 258,771.83 is: 357,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,618.43 : 653,602.86 = 258,771.83 : x
  2. Step 2: Convert to fraction form
    473,618.43/653,602.86 = 258,771.83/x
  3. Step 3: Cross multiply
    473,618.43x = 653,602.86 × 258,771.83
  4. Step 4: Simplify right side
    473,618.43x = 169,134,004,907.42
  5. Step 5: Solve for x
    x = 169,134,004,907.42/473,618.43
  6. Step 6: Final answer
    x = 357,110.27

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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.