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Finding the Fourth Proportional to 265,768,097.60, 398,652,146.40 and 265,768,097.60

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Solution

The fourth proportional to 265,768,097.60, 398,652,146.40 and 265,768,097.60 is: 398,652,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,768,097.60 : 398,652,146.40 = 265,768,097.60 : x
  2. Step 2: Convert to fraction form
    265,768,097.60/398,652,146.40 = 265,768,097.60/x
  3. Step 3: Cross multiply
    265,768,097.60x = 398,652,146.40 × 265,768,097.60
  4. Step 4: Simplify right side
    265,768,097.60x = 105,949,022,552,884,672
  5. Step 5: Solve for x
    x = 105,949,022,552,884,672/265,768,097.60
  6. Step 6: Final answer
    x = 398,652,146.40

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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.