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Finding the Fourth Proportional to 382,541.40, 573,812.10 and 360,768.60

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Solution

The fourth proportional to 382,541.40, 573,812.10 and 360,768.60 is: 541,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,541.40 : 573,812.10 = 360,768.60 : x
  2. Step 2: Convert to fraction form
    382,541.40/573,812.10 = 360,768.60/x
  3. Step 3: Cross multiply
    382,541.40x = 573,812.10 × 360,768.60
  4. Step 4: Simplify right side
    382,541.40x = 207,013,387,980.06
  5. Step 5: Solve for x
    x = 207,013,387,980.06/382,541.40
  6. Step 6: Final answer
    x = 541,152.90

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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.