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Finding the Fourth Proportional to 219,480.58, 329,218.47 and 53,268.58

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Solution

The fourth proportional to 219,480.58, 329,218.47 and 53,268.58 is: 79,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,480.58 : 329,218.47 = 53,268.58 : x
  2. Step 2: Convert to fraction form
    219,480.58/329,218.47 = 53,268.58/x
  3. Step 3: Cross multiply
    219,480.58x = 329,218.47 × 53,268.58
  4. Step 4: Simplify right side
    219,480.58x = 17,537,000,406.67
  5. Step 5: Solve for x
    x = 17,537,000,406.67/219,480.58
  6. Step 6: Final answer
    x = 79,902.29

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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.