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Finding the Fourth Proportional to 540,599.60, 745,995.34 and 298,867.72

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Solution

The fourth proportional to 540,599.60, 745,995.34 and 298,867.72 is: 412,419.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,599.60 : 745,995.34 = 298,867.72 : x
  2. Step 2: Convert to fraction form
    540,599.60/745,995.34 = 298,867.72/x
  3. Step 3: Cross multiply
    540,599.60x = 745,995.34 × 298,867.72
  4. Step 4: Simplify right side
    540,599.60x = 222,953,926,396.43
  5. Step 5: Solve for x
    x = 222,953,926,396.43/540,599.60
  6. Step 6: Final answer
    x = 412,419.70

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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.