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Finding the Fourth Proportional to 549,634.11, 824,529.41 and 170,587.59

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Solution

The fourth proportional to 549,634.11, 824,529.41 and 170,587.59 is: 255,905.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,634.11 : 824,529.41 = 170,587.59 : x
  2. Step 2: Convert to fraction form
    549,634.11/824,529.41 = 170,587.59/x
  3. Step 3: Cross multiply
    549,634.11x = 824,529.41 × 170,587.59
  4. Step 4: Simplify right side
    549,634.11x = 140,654,484,936.02
  5. Step 5: Solve for x
    x = 140,654,484,936.02/549,634.11
  6. Step 6: Final answer
    x = 255,905.67

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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.