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Finding the Fourth Proportional to 602,490.47, 903,738.81 and 203,134.73

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Solution

The fourth proportional to 602,490.47, 903,738.81 and 203,134.73 is: 304,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,490.47 : 903,738.81 = 203,134.73 : x
  2. Step 2: Convert to fraction form
    602,490.47/903,738.81 = 203,134.73/x
  3. Step 3: Cross multiply
    602,490.47x = 903,738.81 × 203,134.73
  4. Step 4: Simplify right side
    602,490.47x = 183,580,739,159.87
  5. Step 5: Solve for x
    x = 183,580,739,159.87/602,490.47
  6. Step 6: Final answer
    x = 304,703.14

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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.