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Finding the Fourth Proportional to 424,282.02, 636,599.28 and 171,741.03

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Solution

The fourth proportional to 424,282.02, 636,599.28 and 171,741.03 is: 257,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,282.02 : 636,599.28 = 171,741.03 : x
  2. Step 2: Convert to fraction form
    424,282.02/636,599.28 = 171,741.03/x
  3. Step 3: Cross multiply
    424,282.02x = 636,599.28 × 171,741.03
  4. Step 4: Simplify right side
    424,282.02x = 109,330,216,044.46
  5. Step 5: Solve for x
    x = 109,330,216,044.46/424,282.02
  6. Step 6: Final answer
    x = 257,682.89

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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.