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Finding the Fourth Proportional to 353,031.53, 529,581.95 and 100,323.68

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Solution

The fourth proportional to 353,031.53, 529,581.95 and 100,323.68 is: 150,495.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,031.53 : 529,581.95 = 100,323.68 : x
  2. Step 2: Convert to fraction form
    353,031.53/529,581.95 = 100,323.68/x
  3. Step 3: Cross multiply
    353,031.53x = 529,581.95 × 100,323.68
  4. Step 4: Simplify right side
    353,031.53x = 53,129,610,085.58
  5. Step 5: Solve for x
    x = 53,129,610,085.58/353,031.53
  6. Step 6: Final answer
    x = 150,495.37

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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.