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Finding the Fourth Proportional to 602,918.18, 903,689.29 and 242,858.45

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Solution

The fourth proportional to 602,918.18, 903,689.29 and 242,858.45 is: 364,010.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,918.18 : 903,689.29 = 242,858.45 : x
  2. Step 2: Convert to fraction form
    602,918.18/903,689.29 = 242,858.45/x
  3. Step 3: Cross multiply
    602,918.18x = 903,689.29 × 242,858.45
  4. Step 4: Simplify right side
    602,918.18x = 219,468,582,813.80
  5. Step 5: Solve for x
    x = 219,468,582,813.80/602,918.18
  6. Step 6: Final answer
    x = 364,010.56

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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.