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Finding the Fourth Proportional to 354,690.40, 532,035.60 and 333,695.20

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Solution

The fourth proportional to 354,690.40, 532,035.60 and 333,695.20 is: 500,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,690.40 : 532,035.60 = 333,695.20 : x
  2. Step 2: Convert to fraction form
    354,690.40/532,035.60 = 333,695.20/x
  3. Step 3: Cross multiply
    354,690.40x = 532,035.60 × 333,695.20
  4. Step 4: Simplify right side
    354,690.40x = 177,537,725,949.12
  5. Step 5: Solve for x
    x = 177,537,725,949.12/354,690.40
  6. Step 6: Final answer
    x = 500,542.80

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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.