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Finding the Fourth Proportional to 354,924.60, 532,386.90 and 325,894.20

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Solution

The fourth proportional to 354,924.60, 532,386.90 and 325,894.20 is: 488,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,924.60 : 532,386.90 = 325,894.20 : x
  2. Step 2: Convert to fraction form
    354,924.60/532,386.90 = 325,894.20/x
  3. Step 3: Cross multiply
    354,924.60x = 532,386.90 × 325,894.20
  4. Step 4: Simplify right side
    354,924.60x = 173,501,802,865.98
  5. Step 5: Solve for x
    x = 173,501,802,865.98/354,924.60
  6. Step 6: Final answer
    x = 488,841.30

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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.