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Finding the Fourth Proportional to 298,477.64, 411,896.49 and 162,511.25

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Solution

The fourth proportional to 298,477.64, 411,896.49 and 162,511.25 is: 224,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,477.64 : 411,896.49 = 162,511.25 : x
  2. Step 2: Convert to fraction form
    298,477.64/411,896.49 = 162,511.25/x
  3. Step 3: Cross multiply
    298,477.64x = 411,896.49 × 162,511.25
  4. Step 4: Simplify right side
    298,477.64x = 66,937,811,401.03
  5. Step 5: Solve for x
    x = 66,937,811,401.03/298,477.64
  6. Step 6: Final answer
    x = 224,264.08

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1.5x scale

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.