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Finding the Fourth Proportional to 602,391.64, 903,590.61 and 203,035.90

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Solution

The fourth proportional to 602,391.64, 903,590.61 and 203,035.90 is: 304,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,391.64 : 903,590.61 = 203,035.90 : x
  2. Step 2: Convert to fraction form
    602,391.64/903,590.61 = 203,035.90/x
  3. Step 3: Cross multiply
    602,391.64x = 903,590.61 × 203,035.90
  4. Step 4: Simplify right side
    602,391.64x = 183,461,332,732.90
  5. Step 5: Solve for x
    x = 183,461,332,732.90/602,391.64
  6. Step 6: Final answer
    x = 304,554.91

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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.