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Finding the Fourth Proportional to 275,909.04, 380,752.92 and 168,464.16

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Solution

The fourth proportional to 275,909.04, 380,752.92 and 168,464.16 is: 232,479.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,909.04 : 380,752.92 = 168,464.16 : x
  2. Step 2: Convert to fraction form
    275,909.04/380,752.92 = 168,464.16/x
  3. Step 3: Cross multiply
    275,909.04x = 380,752.92 × 168,464.16
  4. Step 4: Simplify right side
    275,909.04x = 64,143,220,835.35
  5. Step 5: Solve for x
    x = 64,143,220,835.35/275,909.04
  6. Step 6: Final answer
    x = 232,479.59

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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.