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Finding the Fourth Proportional to 540,597.16, 745,571.46 and 404,949.88

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Solution

The fourth proportional to 540,597.16, 745,571.46 and 404,949.88 is: 558,491.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,597.16 : 745,571.46 = 404,949.88 : x
  2. Step 2: Convert to fraction form
    540,597.16/745,571.46 = 404,949.88/x
  3. Step 3: Cross multiply
    540,597.16x = 745,571.46 × 404,949.88
  4. Step 4: Simplify right side
    540,597.16x = 301,919,073,258.43
  5. Step 5: Solve for x
    x = 301,919,073,258.43/540,597.16
  6. Step 6: Final answer
    x = 558,491.79

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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.