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Finding the Fourth Proportional to 353,542.40, 529,730.40 and 332,547.20

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Solution

The fourth proportional to 353,542.40, 529,730.40 and 332,547.20 is: 498,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,542.40 : 529,730.40 = 332,547.20 : x
  2. Step 2: Convert to fraction form
    353,542.40/529,730.40 = 332,547.20/x
  3. Step 3: Cross multiply
    353,542.40x = 529,730.40 × 332,547.20
  4. Step 4: Simplify right side
    353,542.40x = 176,160,361,274.88
  5. Step 5: Solve for x
    x = 176,160,361,274.88/353,542.40
  6. Step 6: Final answer
    x = 498,272.23

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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.