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Finding the Fourth Proportional to 606,478.26, 837,209.00 and 391,723.06

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Solution

The fourth proportional to 606,478.26, 837,209.00 and 391,723.06 is: 540,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,478.26 : 837,209.00 = 391,723.06 : x
  2. Step 2: Convert to fraction form
    606,478.26/837,209.00 = 391,723.06/x
  3. Step 3: Cross multiply
    606,478.26x = 837,209.00 × 391,723.06
  4. Step 4: Simplify right side
    606,478.26x = 327,954,073,599.38
  5. Step 5: Solve for x
    x = 327,954,073,599.38/606,478.26
  6. Step 6: Final answer
    x = 540,751.57

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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.