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Finding the Fourth Proportional to 651,704.10, 913,629.90 and 651,704.10

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Solution

The fourth proportional to 651,704.10, 913,629.90 and 651,704.10 is: 913,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,704.10 : 913,629.90 = 651,704.10 : x
  2. Step 2: Convert to fraction form
    651,704.10/913,629.90 = 651,704.10/x
  3. Step 3: Cross multiply
    651,704.10x = 913,629.90 × 651,704.10
  4. Step 4: Simplify right side
    651,704.10x = 595,416,351,712.59
  5. Step 5: Solve for x
    x = 595,416,351,712.59/651,704.10
  6. Step 6: Final answer
    x = 913,629.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.