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Finding the Fourth Proportional to 571,031.15, 856,654.74 and 229,501.10

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Solution

The fourth proportional to 571,031.15, 856,654.74 and 229,501.10 is: 344,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,031.15 : 856,654.74 = 229,501.10 : x
  2. Step 2: Convert to fraction form
    571,031.15/856,654.74 = 229,501.10/x
  3. Step 3: Cross multiply
    571,031.15x = 856,654.74 × 229,501.10
  4. Step 4: Simplify right side
    571,031.15x = 196,603,207,291.85
  5. Step 5: Solve for x
    x = 196,603,207,291.85/571,031.15
  6. Step 6: Final answer
    x = 344,295.07

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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.