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Finding the Fourth Proportional to 571,950.42, 857,931.71 and 172,594.71

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Solution

The fourth proportional to 571,950.42, 857,931.71 and 172,594.71 is: 258,893.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,950.42 : 857,931.71 = 172,594.71 : x
  2. Step 2: Convert to fraction form
    571,950.42/857,931.71 = 172,594.71/x
  3. Step 3: Cross multiply
    571,950.42x = 857,931.71 × 172,594.71
  4. Step 4: Simplify right side
    571,950.42x = 148,074,474,687.25
  5. Step 5: Solve for x
    x = 148,074,474,687.25/571,950.42
  6. Step 6: Final answer
    x = 258,893.90

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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.