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Finding the Fourth Proportional to 524,883.60, 787,325.40 and 516,135.60

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Solution

The fourth proportional to 524,883.60, 787,325.40 and 516,135.60 is: 774,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,883.60 : 787,325.40 = 516,135.60 : x
  2. Step 2: Convert to fraction form
    524,883.60/787,325.40 = 516,135.60/x
  3. Step 3: Cross multiply
    524,883.60x = 787,325.40 × 516,135.60
  4. Step 4: Simplify right side
    524,883.60x = 406,366,667,724.24
  5. Step 5: Solve for x
    x = 406,366,667,724.24/524,883.60
  6. Step 6: Final answer
    x = 774,203.40

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Double scale
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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.