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Finding the Fourth Proportional to 523,785.96, 786,675.42 and 325,492.11

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Solution

The fourth proportional to 523,785.96, 786,675.42 and 325,492.11 is: 488,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,785.96 : 786,675.42 = 325,492.11 : x
  2. Step 2: Convert to fraction form
    523,785.96/786,675.42 = 325,492.11/x
  3. Step 3: Cross multiply
    523,785.96x = 786,675.42 × 325,492.11
  4. Step 4: Simplify right side
    523,785.96x = 256,056,642,340.94
  5. Step 5: Solve for x
    x = 256,056,642,340.94/523,785.96
  6. Step 6: Final answer
    x = 488,857.40

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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.