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Finding the Fourth Proportional to 367,033.10, 550,549.65 and 328,541.90

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Solution

The fourth proportional to 367,033.10, 550,549.65 and 328,541.90 is: 492,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,033.10 : 550,549.65 = 328,541.90 : x
  2. Step 2: Convert to fraction form
    367,033.10/550,549.65 = 328,541.90/x
  3. Step 3: Cross multiply
    367,033.10x = 550,549.65 × 328,541.90
  4. Step 4: Simplify right side
    367,033.10x = 180,878,628,055.34
  5. Step 5: Solve for x
    x = 180,878,628,055.34/367,033.10
  6. Step 6: Final answer
    x = 492,812.85

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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.