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Finding the Fourth Proportional to 275,492.16, 380,134.08 and 162,299.52

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Solution

The fourth proportional to 275,492.16, 380,134.08 and 162,299.52 is: 223,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,492.16 : 380,134.08 = 162,299.52 : x
  2. Step 2: Convert to fraction form
    275,492.16/380,134.08 = 162,299.52/x
  3. Step 3: Cross multiply
    275,492.16x = 380,134.08 × 162,299.52
  4. Step 4: Simplify right side
    275,492.16x = 61,695,578,719.64
  5. Step 5: Solve for x
    x = 61,695,578,719.64/275,492.16
  6. Step 6: Final answer
    x = 223,946.77

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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.