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Finding the Fourth Proportional to 252,742,435.60, 379,113,653.40 and 252,742,435.60

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Solution

The fourth proportional to 252,742,435.60, 379,113,653.40 and 252,742,435.60 is: 379,113,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,742,435.60 : 379,113,653.40 = 252,742,435.60 : x
  2. Step 2: Convert to fraction form
    252,742,435.60/379,113,653.40 = 252,742,435.60/x
  3. Step 3: Cross multiply
    252,742,435.60x = 379,113,653.40 × 252,742,435.60
  4. Step 4: Simplify right side
    252,742,435.60x = 95,818,108,129,530,208
  5. Step 5: Solve for x
    x = 95,818,108,129,530,208/252,742,435.60
  6. Step 6: Final answer
    x = 379,113,653.40

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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.