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Finding the Fourth Proportional to 514,511.78, 772,030.94 and 244,944.60

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Solution

The fourth proportional to 514,511.78, 772,030.94 and 244,944.60 is: 367,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,511.78 : 772,030.94 = 244,944.60 : x
  2. Step 2: Convert to fraction form
    514,511.78/772,030.94 = 244,944.60/x
  3. Step 3: Cross multiply
    514,511.78x = 772,030.94 × 244,944.60
  4. Step 4: Simplify right side
    514,511.78x = 189,104,809,785.92
  5. Step 5: Solve for x
    x = 189,104,809,785.92/514,511.78
  6. Step 6: Final answer
    x = 367,542.24

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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.