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Finding the Fourth Proportional to 275,767.08, 380,599.72 and 168,399.36

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Solution

The fourth proportional to 275,767.08, 380,599.72 and 168,399.36 is: 232,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,767.08 : 380,599.72 = 168,399.36 : x
  2. Step 2: Convert to fraction form
    275,767.08/380,599.72 = 168,399.36/x
  3. Step 3: Cross multiply
    275,767.08x = 380,599.72 × 168,399.36
  4. Step 4: Simplify right side
    275,767.08x = 64,092,749,264.18
  5. Step 5: Solve for x
    x = 64,092,749,264.18/275,767.08
  6. Step 6: Final answer
    x = 232,416.25

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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.