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Finding the Fourth Proportional to 352,885.96, 529,031.37 and 153,055.84

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Solution

The fourth proportional to 352,885.96, 529,031.37 and 153,055.84 is: 229,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,885.96 : 529,031.37 = 153,055.84 : x
  2. Step 2: Convert to fraction form
    352,885.96/529,031.37 = 153,055.84/x
  3. Step 3: Cross multiply
    352,885.96x = 529,031.37 × 153,055.84
  4. Step 4: Simplify right side
    352,885.96x = 80,971,338,616.18
  5. Step 5: Solve for x
    x = 80,971,338,616.18/352,885.96
  6. Step 6: Final answer
    x = 229,454.69

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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.