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Finding the Fourth Proportional to 602,005.15, 903,026.76 and 223,020.73

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Solution

The fourth proportional to 602,005.15, 903,026.76 and 223,020.73 is: 334,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,005.15 : 903,026.76 = 223,020.73 : x
  2. Step 2: Convert to fraction form
    602,005.15/903,026.76 = 223,020.73/x
  3. Step 3: Cross multiply
    602,005.15x = 903,026.76 × 223,020.73
  4. Step 4: Simplify right side
    602,005.15x = 201,393,687,224.74
  5. Step 5: Solve for x
    x = 201,393,687,224.74/602,005.15
  6. Step 6: Final answer
    x = 334,538.15

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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.