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Finding the Fourth Proportional to 333,730.60, 501,762.30 and 326,732.20

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Solution

The fourth proportional to 333,730.60, 501,762.30 and 326,732.20 is: 491,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,730.60 : 501,762.30 = 326,732.20 : x
  2. Step 2: Convert to fraction form
    333,730.60/501,762.30 = 326,732.20/x
  3. Step 3: Cross multiply
    333,730.60x = 501,762.30 × 326,732.20
  4. Step 4: Simplify right side
    333,730.60x = 163,941,900,156.06
  5. Step 5: Solve for x
    x = 163,941,900,156.06/333,730.60
  6. Step 6: Final answer
    x = 491,240.24

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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.