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Finding the Fourth Proportional to 425,282.86, 586,914.96 and 243,993.25

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Solution

The fourth proportional to 425,282.86, 586,914.96 and 243,993.25 is: 336,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,282.86 : 586,914.96 = 243,993.25 : x
  2. Step 2: Convert to fraction form
    425,282.86/586,914.96 = 243,993.25/x
  3. Step 3: Cross multiply
    425,282.86x = 586,914.96 × 243,993.25
  4. Step 4: Simplify right side
    425,282.86x = 143,203,288,564.02
  5. Step 5: Solve for x
    x = 143,203,288,564.02/425,282.86
  6. Step 6: Final answer
    x = 336,724.81

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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.