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Finding the Fourth Proportional to 328,094,750.40, 492,142,125.60 and 328,094,750.40

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Solution

The fourth proportional to 328,094,750.40, 492,142,125.60 and 328,094,750.40 is: 492,142,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,094,750.40 : 492,142,125.60 = 328,094,750.40 : x
  2. Step 2: Convert to fraction form
    328,094,750.40/492,142,125.60 = 328,094,750.40/x
  3. Step 3: Cross multiply
    328,094,750.40x = 492,142,125.60 × 328,094,750.40
  4. Step 4: Simplify right side
    328,094,750.40x = 161,469,247,860,057,440
  5. Step 5: Solve for x
    x = 161,469,247,860,057,440/328,094,750.40
  6. Step 6: Final answer
    x = 492,142,125.60

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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.