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Finding the Fourth Proportional to 352,056.60, 528,084.90 and 162,516.60

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Solution

The fourth proportional to 352,056.60, 528,084.90 and 162,516.60 is: 243,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,056.60 : 528,084.90 = 162,516.60 : x
  2. Step 2: Convert to fraction form
    352,056.60/528,084.90 = 162,516.60/x
  3. Step 3: Cross multiply
    352,056.60x = 528,084.90 × 162,516.60
  4. Step 4: Simplify right side
    352,056.60x = 85,822,562,459.34
  5. Step 5: Solve for x
    x = 85,822,562,459.34/352,056.60
  6. Step 6: Final answer
    x = 243,774.90

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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.