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Finding the Fourth Proportional to 368,675.27, 508,500.24 and 278,035.05

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Solution

The fourth proportional to 368,675.27, 508,500.24 and 278,035.05 is: 383,483.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,675.27 : 508,500.24 = 278,035.05 : x
  2. Step 2: Convert to fraction form
    368,675.27/508,500.24 = 278,035.05/x
  3. Step 3: Cross multiply
    368,675.27x = 508,500.24 × 278,035.05
  4. Step 4: Simplify right side
    368,675.27x = 141,380,889,653.41
  5. Step 5: Solve for x
    x = 141,380,889,653.41/368,675.27
  6. Step 6: Final answer
    x = 383,483.52

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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.