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Finding the Fourth Proportional to 352,885.88, 529,031.24 and 153,055.76

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Solution

The fourth proportional to 352,885.88, 529,031.24 and 153,055.76 is: 229,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,885.88 : 529,031.24 = 153,055.76 : x
  2. Step 2: Convert to fraction form
    352,885.88/529,031.24 = 153,055.76/x
  3. Step 3: Cross multiply
    352,885.88x = 529,031.24 × 153,055.76
  4. Step 4: Simplify right side
    352,885.88x = 80,971,278,501.94
  5. Step 5: Solve for x
    x = 80,971,278,501.94/352,885.88
  6. Step 6: Final answer
    x = 229,454.57

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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.