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Finding the Fourth Proportional to 360,711.46, 540,549.60 and 202,607.16

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Solution

The fourth proportional to 360,711.46, 540,549.60 and 202,607.16 is: 303,620.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,711.46 : 540,549.60 = 202,607.16 : x
  2. Step 2: Convert to fraction form
    360,711.46/540,549.60 = 202,607.16/x
  3. Step 3: Cross multiply
    360,711.46x = 540,549.60 × 202,607.16
  4. Step 4: Simplify right side
    360,711.46x = 109,519,219,295.14
  5. Step 5: Solve for x
    x = 109,519,219,295.14/360,711.46
  6. Step 6: Final answer
    x = 303,620.02

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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.