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Finding the Fourth Proportional to 650,977.70, 913,468.30 and 650,977.70

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Solution

The fourth proportional to 650,977.70, 913,468.30 and 650,977.70 is: 913,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,977.70 : 913,468.30 = 650,977.70 : x
  2. Step 2: Convert to fraction form
    650,977.70/913,468.30 = 650,977.70/x
  3. Step 3: Cross multiply
    650,977.70x = 913,468.30 × 650,977.70
  4. Step 4: Simplify right side
    650,977.70x = 594,647,492,956.91
  5. Step 5: Solve for x
    x = 594,647,492,956.91/650,977.70
  6. Step 6: Final answer
    x = 913,468.30

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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.