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Finding the Fourth Proportional to 571,884.71, 857,228.47 and 192,674.40

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Solution

The fourth proportional to 571,884.71, 857,228.47 and 192,674.40 is: 288,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,884.71 : 857,228.47 = 192,674.40 : x
  2. Step 2: Convert to fraction form
    571,884.71/857,228.47 = 192,674.40/x
  3. Step 3: Cross multiply
    571,884.71x = 857,228.47 × 192,674.40
  4. Step 4: Simplify right side
    571,884.71x = 165,165,977,423.88
  5. Step 5: Solve for x
    x = 165,165,977,423.88/571,884.71
  6. Step 6: Final answer
    x = 288,809.92

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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.