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Finding the Fourth Proportional to 219,673.86, 329,510.82 and 53,461.86

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Solution

The fourth proportional to 219,673.86, 329,510.82 and 53,461.86 is: 80,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,673.86 : 329,510.82 = 53,461.86 : x
  2. Step 2: Convert to fraction form
    219,673.86/329,510.82 = 53,461.86/x
  3. Step 3: Cross multiply
    219,673.86x = 329,510.82 × 53,461.86
  4. Step 4: Simplify right side
    219,673.86x = 17,616,261,327.33
  5. Step 5: Solve for x
    x = 17,616,261,327.33/219,673.86
  6. Step 6: Final answer
    x = 80,192.80

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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.