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Finding the Fourth Proportional to 400,185.84, 600,279.77 and 163,528.48

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Solution

The fourth proportional to 400,185.84, 600,279.77 and 163,528.48 is: 245,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,185.84 : 600,279.77 = 163,528.48 : x
  2. Step 2: Convert to fraction form
    400,185.84/600,279.77 = 163,528.48/x
  3. Step 3: Cross multiply
    400,185.84x = 600,279.77 × 163,528.48
  4. Step 4: Simplify right side
    400,185.84x = 98,162,838,362.85
  5. Step 5: Solve for x
    x = 98,162,838,362.85/400,185.84
  6. Step 6: Final answer
    x = 245,293.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.