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Finding the Fourth Proportional to 649,570.41, 974,486.84 and 270,519.57

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Solution

The fourth proportional to 649,570.41, 974,486.84 and 270,519.57 is: 405,834.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,570.41 : 974,486.84 = 270,519.57 : x
  2. Step 2: Convert to fraction form
    649,570.41/974,486.84 = 270,519.57/x
  3. Step 3: Cross multiply
    649,570.41x = 974,486.84 × 270,519.57
  4. Step 4: Simplify right side
    649,570.41x = 263,617,759,574.86
  5. Step 5: Solve for x
    x = 263,617,759,574.86/649,570.41
  6. Step 6: Final answer
    x = 405,834.00

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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.