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Finding the Fourth Proportional to 534,366,126.40, 801,549,189.60 and 534,366,126.40

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Solution

The fourth proportional to 534,366,126.40, 801,549,189.60 and 534,366,126.40 is: 801,549,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,366,126.40 : 801,549,189.60 = 534,366,126.40 : x
  2. Step 2: Convert to fraction form
    534,366,126.40/801,549,189.60 = 534,366,126.40/x
  3. Step 3: Cross multiply
    534,366,126.40x = 801,549,189.60 × 534,366,126.40
  4. Step 4: Simplify right side
    534,366,126.40x = 428,320,735,565,611,136
  5. Step 5: Solve for x
    x = 428,320,735,565,611,136/534,366,126.40
  6. Step 6: Final answer
    x = 801,549,189.60

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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.