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Finding the Fourth Proportional to 602,915.64, 903,685.50 and 242,855.91

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Solution

The fourth proportional to 602,915.64, 903,685.50 and 242,855.91 is: 364,006.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,915.64 : 903,685.50 = 242,855.91 : x
  2. Step 2: Convert to fraction form
    602,915.64/903,685.50 = 242,855.91/x
  3. Step 3: Cross multiply
    602,915.64x = 903,685.50 × 242,855.91
  4. Step 4: Simplify right side
    602,915.64x = 219,465,364,456.31
  5. Step 5: Solve for x
    x = 219,465,364,456.31/602,915.64
  6. Step 6: Final answer
    x = 364,006.75

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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.