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Finding the Fourth Proportional to 571,950.52, 857,904.20 and 172,580.64

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Solution

The fourth proportional to 571,950.52, 857,904.20 and 172,580.64 is: 258,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,950.52 : 857,904.20 = 172,580.64 : x
  2. Step 2: Convert to fraction form
    571,950.52/857,904.20 = 172,580.64/x
  3. Step 3: Cross multiply
    571,950.52x = 857,904.20 × 172,580.64
  4. Step 4: Simplify right side
    571,950.52x = 148,057,655,894.69
  5. Step 5: Solve for x
    x = 148,057,655,894.69/571,950.52
  6. Step 6: Final answer
    x = 258,864.45

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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.