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Finding the Fourth Proportional to 379,836,265.20, 532,980,094.80 and 379,836,265.20

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Solution

The fourth proportional to 379,836,265.20, 532,980,094.80 and 379,836,265.20 is: 532,980,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,836,265.20 : 532,980,094.80 = 379,836,265.20 : x
  2. Step 2: Convert to fraction form
    379,836,265.20/532,980,094.80 = 379,836,265.20/x
  3. Step 3: Cross multiply
    379,836,265.20x = 532,980,094.80 × 379,836,265.20
  4. Step 4: Simplify right side
    379,836,265.20x = 202,445,168,634,773,952
  5. Step 5: Solve for x
    x = 202,445,168,634,773,952/379,836,265.20
  6. Step 6: Final answer
    x = 532,980,094.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.