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Finding the Fourth Proportional to 543,036.54, 814,686.41 and 163,934.60

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Solution

The fourth proportional to 543,036.54, 814,686.41 and 163,934.60 is: 245,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,036.54 : 814,686.41 = 163,934.60 : x
  2. Step 2: Convert to fraction form
    543,036.54/814,686.41 = 163,934.60/x
  3. Step 3: Cross multiply
    543,036.54x = 814,686.41 × 163,934.60
  4. Step 4: Simplify right side
    543,036.54x = 133,555,286,675.35
  5. Step 5: Solve for x
    x = 133,555,286,675.35/543,036.54
  6. Step 6: Final answer
    x = 245,941.62

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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.