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Finding the Fourth Proportional to 615,704.90, 923,588.46 and 236,492.69

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Solution

The fourth proportional to 615,704.90, 923,588.46 and 236,492.69 is: 354,750.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,704.90 : 923,588.46 = 236,492.69 : x
  2. Step 2: Convert to fraction form
    615,704.90/923,588.46 = 236,492.69/x
  3. Step 3: Cross multiply
    615,704.90x = 923,588.46 × 236,492.69
  4. Step 4: Simplify right side
    615,704.90x = 218,421,914,740.42
  5. Step 5: Solve for x
    x = 218,421,914,740.42/615,704.90
  6. Step 6: Final answer
    x = 354,750.98

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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.