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Finding the Fourth Proportional to 484,984,430.60, 727,476,645.90 and 484,984,430.60

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Solution

The fourth proportional to 484,984,430.60, 727,476,645.90 and 484,984,430.60 is: 727,476,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,984,430.60 : 727,476,645.90 = 484,984,430.60 : x
  2. Step 2: Convert to fraction form
    484,984,430.60/727,476,645.90 = 484,984,430.60/x
  3. Step 3: Cross multiply
    484,984,430.60x = 727,476,645.90 × 484,984,430.60
  4. Step 4: Simplify right side
    484,984,430.60x = 352,814,846,886,609,344
  5. Step 5: Solve for x
    x = 352,814,846,886,609,344/484,984,430.60
  6. Step 6: Final answer
    x = 727,476,645.90

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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.