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Finding the Fourth Proportional to 304,893.12, 457,388.16 and 94,487.52

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Solution

The fourth proportional to 304,893.12, 457,388.16 and 94,487.52 is: 141,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,893.12 : 457,388.16 = 94,487.52 : x
  2. Step 2: Convert to fraction form
    304,893.12/457,388.16 = 94,487.52/x
  3. Step 3: Cross multiply
    304,893.12x = 457,388.16 × 94,487.52
  4. Step 4: Simplify right side
    304,893.12x = 43,217,472,915.76
  5. Step 5: Solve for x
    x = 43,217,472,915.76/304,893.12
  6. Step 6: Final answer
    x = 141,746.30

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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.