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Finding the Fourth Proportional to 571,885.16, 857,833.92 and 172,529.42

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Solution

The fourth proportional to 571,885.16, 857,833.92 and 172,529.42 is: 258,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,885.16 : 857,833.92 = 172,529.42 : x
  2. Step 2: Convert to fraction form
    571,885.16/857,833.92 = 172,529.42/x
  3. Step 3: Cross multiply
    571,885.16x = 857,833.92 × 172,529.42
  4. Step 4: Simplify right side
    571,885.16x = 148,001,584,384.76
  5. Step 5: Solve for x
    x = 148,001,584,384.76/571,885.16
  6. Step 6: Final answer
    x = 258,795.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.