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Finding the Fourth Proportional to 463,140.68, 694,711 and 130,716.68

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Solution

The fourth proportional to 463,140.68, 694,711 and 130,716.68 is: 196,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,140.68 : 694,711 = 130,716.68 : x
  2. Step 2: Convert to fraction form
    463,140.68/694,711 = 130,716.68/x
  3. Step 3: Cross multiply
    463,140.68x = 694,711 × 130,716.68
  4. Step 4: Simplify right side
    463,140.68x = 90,810,315,479.48
  5. Step 5: Solve for x
    x = 90,810,315,479.48/463,140.68
  6. Step 6: Final answer
    x = 196,075.01

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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.