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Finding the Fourth Proportional to 602,707.45, 903,700.32 and 203,339.38

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Solution

The fourth proportional to 602,707.45, 903,700.32 and 203,339.38 is: 304,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,707.45 : 903,700.32 = 203,339.38 : x
  2. Step 2: Convert to fraction form
    602,707.45/903,700.32 = 203,339.38/x
  3. Step 3: Cross multiply
    602,707.45x = 903,700.32 × 203,339.38
  4. Step 4: Simplify right side
    602,707.45x = 183,757,862,774.60
  5. Step 5: Solve for x
    x = 183,757,862,774.60/602,707.45
  6. Step 6: Final answer
    x = 304,887.33

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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.