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Finding the Fourth Proportional to 303,904.22, 455,875.79 and 116,915.72

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Solution

The fourth proportional to 303,904.22, 455,875.79 and 116,915.72 is: 175,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,904.22 : 455,875.79 = 116,915.72 : x
  2. Step 2: Convert to fraction form
    303,904.22/455,875.79 = 116,915.72/x
  3. Step 3: Cross multiply
    303,904.22x = 455,875.79 × 116,915.72
  4. Step 4: Simplify right side
    303,904.22x = 53,299,043,354.46
  5. Step 5: Solve for x
    x = 53,299,043,354.46/303,904.22
  6. Step 6: Final answer
    x = 175,381.06

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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.