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Finding the Fourth Proportional to 524,901.60, 787,352.40 and 325,447.20

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Solution

The fourth proportional to 524,901.60, 787,352.40 and 325,447.20 is: 488,170.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,901.60 : 787,352.40 = 325,447.20 : x
  2. Step 2: Convert to fraction form
    524,901.60/787,352.40 = 325,447.20/x
  3. Step 3: Cross multiply
    524,901.60x = 787,352.40 × 325,447.20
  4. Step 4: Simplify right side
    524,901.60x = 256,241,633,993.28
  5. Step 5: Solve for x
    x = 256,241,633,993.28/524,901.60
  6. Step 6: Final answer
    x = 488,170.80

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Similar ratio
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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.