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Finding the Fourth Proportional to 349,819.60, 524,124.60 and 162,446.80

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Solution

The fourth proportional to 349,819.60, 524,124.60 and 162,446.80 is: 243,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,819.60 : 524,124.60 = 162,446.80 : x
  2. Step 2: Convert to fraction form
    349,819.60/524,124.60 = 162,446.80/x
  3. Step 3: Cross multiply
    349,819.60x = 524,124.60 × 162,446.80
  4. Step 4: Simplify right side
    349,819.60x = 85,142,364,071.28
  5. Step 5: Solve for x
    x = 85,142,364,071.28/349,819.60
  6. Step 6: Final answer
    x = 243,389.35

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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.