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Finding the Fourth Proportional to 328,818.60, 460,812.60 and 328,818.60

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Solution

The fourth proportional to 328,818.60, 460,812.60 and 328,818.60 is: 460,812.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,818.60 : 460,812.60 = 328,818.60 : x
  2. Step 2: Convert to fraction form
    328,818.60/460,812.60 = 328,818.60/x
  3. Step 3: Cross multiply
    328,818.60x = 460,812.60 × 328,818.60
  4. Step 4: Simplify right side
    328,818.60x = 151,523,753,994.36
  5. Step 5: Solve for x
    x = 151,523,753,994.36/328,818.60
  6. Step 6: Final answer
    x = 460,812.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.