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Finding the Fourth Proportional to 602,169.30, 903,255.47 and 203,090.40

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Solution

The fourth proportional to 602,169.30, 903,255.47 and 203,090.40 is: 304,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,169.30 : 903,255.47 = 203,090.40 : x
  2. Step 2: Convert to fraction form
    602,169.30/903,255.47 = 203,090.40/x
  3. Step 3: Cross multiply
    602,169.30x = 903,255.47 × 203,090.40
  4. Step 4: Simplify right side
    602,169.30x = 183,442,514,704.49
  5. Step 5: Solve for x
    x = 183,442,514,704.49/602,169.30
  6. Step 6: Final answer
    x = 304,636.11

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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.