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Finding the Fourth Proportional to 325,574.16, 449,294.22 and 180,384.53

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Solution

The fourth proportional to 325,574.16, 449,294.22 and 180,384.53 is: 248,931.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,574.16 : 449,294.22 = 180,384.53 : x
  2. Step 2: Convert to fraction form
    325,574.16/449,294.22 = 180,384.53/x
  3. Step 3: Cross multiply
    325,574.16x = 449,294.22 × 180,384.53
  4. Step 4: Simplify right side
    325,574.16x = 81,045,724,459.95
  5. Step 5: Solve for x
    x = 81,045,724,459.95/325,574.16
  6. Step 6: Final answer
    x = 248,931.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.