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Finding the Fourth Proportional to 608,327,720.24, 912,491,580.35 and 608,327,720.24

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Solution

The fourth proportional to 608,327,720.24, 912,491,580.35 and 608,327,720.24 is: 912,491,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,327,720.24 : 912,491,580.35 = 608,327,720.24 : x
  2. Step 2: Convert to fraction form
    608,327,720.24/912,491,580.35 = 608,327,720.24/x
  3. Step 3: Cross multiply
    608,327,720.24x = 912,491,580.35 × 608,327,720.24
  4. Step 4: Simplify right side
    608,327,720.24x = 555,093,922,804,906,240
  5. Step 5: Solve for x
    x = 555,093,922,804,906,240/608,327,720.24
  6. Step 6: Final answer
    x = 912,491,580.35

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Similar ratio
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1.5x scale

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.