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Finding the Fourth Proportional to 544,473.60, 751,415.52 and 326,690.40

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Solution

The fourth proportional to 544,473.60, 751,415.52 and 326,690.40 is: 450,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,473.60 : 751,415.52 = 326,690.40 : x
  2. Step 2: Convert to fraction form
    544,473.60/751,415.52 = 326,690.40/x
  3. Step 3: Cross multiply
    544,473.60x = 751,415.52 × 326,690.40
  4. Step 4: Simplify right side
    544,473.60x = 245,480,236,795.01
  5. Step 5: Solve for x
    x = 245,480,236,795.01/544,473.60
  6. Step 6: Final answer
    x = 450,857.92

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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.