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Finding the Fourth Proportional to 540,596.18, 745,965.60 and 298,839.80

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Solution

The fourth proportional to 540,596.18, 745,965.60 and 298,839.80 is: 412,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,596.18 : 745,965.60 = 298,839.80 : x
  2. Step 2: Convert to fraction form
    540,596.18/745,965.60 = 298,839.80/x
  3. Step 3: Cross multiply
    540,596.18x = 745,965.60 × 298,839.80
  4. Step 4: Simplify right side
    540,596.18x = 222,924,210,710.88
  5. Step 5: Solve for x
    x = 222,924,210,710.88/540,596.18
  6. Step 6: Final answer
    x = 412,367.34

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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.