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Finding the Fourth Proportional to 276,045.60, 413,193.60 and 197,313.60

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Solution

The fourth proportional to 276,045.60, 413,193.60 and 197,313.60 is: 295,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,045.60 : 413,193.60 = 197,313.60 : x
  2. Step 2: Convert to fraction form
    276,045.60/413,193.60 = 197,313.60/x
  3. Step 3: Cross multiply
    276,045.60x = 413,193.60 × 197,313.60
  4. Step 4: Simplify right side
    276,045.60x = 81,528,716,712.96
  5. Step 5: Solve for x
    x = 81,528,716,712.96/276,045.60
  6. Step 6: Final answer
    x = 295,345.10

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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.