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Finding the Fourth Proportional to 353,498.40, 529,664.40 and 332,503.20

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Solution

The fourth proportional to 353,498.40, 529,664.40 and 332,503.20 is: 498,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,498.40 : 529,664.40 = 332,503.20 : x
  2. Step 2: Convert to fraction form
    353,498.40/529,664.40 = 332,503.20/x
  3. Step 3: Cross multiply
    353,498.40x = 529,664.40 × 332,503.20
  4. Step 4: Simplify right side
    353,498.40x = 176,115,107,926.08
  5. Step 5: Solve for x
    x = 176,115,107,926.08/353,498.40
  6. Step 6: Final answer
    x = 498,206.24

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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.