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Finding the Fourth Proportional to 446,665.76, 616,720.53 and 274,814.94

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Solution

The fourth proportional to 446,665.76, 616,720.53 and 274,814.94 is: 379,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,665.76 : 616,720.53 = 274,814.94 : x
  2. Step 2: Convert to fraction form
    446,665.76/616,720.53 = 274,814.94/x
  3. Step 3: Cross multiply
    446,665.76x = 616,720.53 × 274,814.94
  4. Step 4: Simplify right side
    446,665.76x = 169,484,015,448.72
  5. Step 5: Solve for x
    x = 169,484,015,448.72/446,665.76
  6. Step 6: Final answer
    x = 379,442.60

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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.