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Finding the Fourth Proportional to 475,344.46, 655,991.33 and 260,482.65

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Solution

The fourth proportional to 475,344.46, 655,991.33 and 260,482.65 is: 359,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,344.46 : 655,991.33 = 260,482.65 : x
  2. Step 2: Convert to fraction form
    475,344.46/655,991.33 = 260,482.65/x
  3. Step 3: Cross multiply
    475,344.46x = 655,991.33 × 260,482.65
  4. Step 4: Simplify right side
    475,344.46x = 170,874,360,015.43
  5. Step 5: Solve for x
    x = 170,874,360,015.43/475,344.46
  6. Step 6: Final answer
    x = 359,474.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.